Goodbye July, your cold weather and ugly market action won't be missed.
This entry was posted on Saturday, August 2nd, 2014 at 7:34 am	and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
How are the heating days looking? In Dallas metroplex we start to retun to normal August here next week (especially late in the week with temps > 100 predicted).
ps. understand that you hold rice which has a jv with them but does this cover it ?
Nrgyman recently commented on GPOR. He has been following this company for at least a couple years that i know of and generally has shared accurate assessment of the company. You may be able to do a search by symbol and see his latest commments, which i think may be helpful.
its interesting that with the current sell off in full swing, there are 2 factors that seem different than with sell offs that we've seen taking shape from 2008 to 2013. First, the 10 year yield is moving up, where it has in the past moved down due to flight to safety. Second is the price of gold. It has actually moved down since the sell off started, where in the past gold moved up on any moves down in equity markets. one thing is for sure, the markets are dynamic and ever changing, and this seems like a different animal than what we've seen in the past. Interesting to see how this all plays out, but its never a dull moment.
3 thank you broway for the suggeestion. There are no post by z under this symbol and I can check nrgyman. Nrgyman given the substantial decline in price- what is your take on gpor at present. Have not looked at it before but the magnitude of the decline and their links to fang make it seem quie interesting- to say nothing of their larger wells. tia your views.
All questions to be addressed in the Subscriber Mailbag session of the Monday post.
RE 6: I am not currently invested in GPOR. Sold in the 73s on valuation after a big long-term run before the drop on the Q1 miss. Bought again just under 60 for a bounce back trade, but sold out for a modest proft in the low 60s. I have not been in it since. GPOR has very attractive assets, especially in the Utica, and they have a strong balance sheet–with low debt (financially conservative management). My concerns are valuation and management effectiveness. While growing rapidly, management guidance was repeatedly overstating actual results. Much of this was due to slower than expected infrastructure build-out, which has plagued all Utica producers, but they repeatedly over-estimated results. They also had some more recent problems with their wells, some of which is how long to sit them before production, how much to choke them, etc–short term vs long term well production issues they are grappling with that has caused management to reduce near-term guidance. The moves to address these issues might be better for GPOR in the long term, but the market is trying to guage how much these adjustments will affect future production. With a sky-high valuation (FPE= 48 and TEV/Ebitda=21 ttm) this is not what one wants to hear. Finally, there has been management turnover. The new CEO (who has been with GPOR) made the changes that he felt necessary for the long-term benefit of shareholders (highlighted above). The short-term effects of these changes are still reverberating in the stock price. The market seems to be attempting to assess what the new growth projections will be given the adjustments made to their well completion and production methods, as well as to the persistent infrastructure constraints. When the new CEO gains the trust of the market by hitting his guided targets without the unpleasant surprises the stock will gain traction, imo.
Macro market considerations are also influencing the name. GPOR trades more and more like a natgas name, which it is rapidly becoming. The declining natgas price and the differentials in Utica/Marcellus region are affecting GPOR, similar to other producers in the region. There is also a great deal of 'ringing the register' in high-beta names with huge market gains. GPOR moved from 15.79 in June 2012 to 75.75 in April 2014–there are plenty of profits to lock in given all of the uncertainties. Can't say at what price I would find the name attractive again. Plenty of uncertainties from the above issues. The 42.50 area would get my attention, if it fell that far. But it is oversold now, like many other energy names. If find other names, owned and discussed by Z, as much more compelling investment opportunites at the moment. That is just my take on GPOR. Hope that helps. Please DYODD.
That is great analysis Nrgyman…i didn't think that the street is labeling GPOR as gas related. right now, anything that has gas written on it is being avoided like the plague. So that doesn't help the stock with recent slide. I realize its difficult to put value on a company not fully understanding guidane, but 42 is 45% off highs. From a technical perspective mid to high 40's is where most of the long term suport lies, so i won't be surprised to see it there if S&P gets down another 3-5% from here. I'm hearing temps should be approaching 100 in Texas next week again? We haven't had a real hurricane in years either, so right now, i'd say the see-saw is way too skewed for my taste.
A whole slew of stocks moving on technicals this week. Either hitting 50 or 200dma moving averages on daily. A good bit also filling longer term gaps and some breaking down to long term support levels not seen in a year or two. Its gut check time and until the buyers come out with their check books, its going to be rough seas for a while. As in previous sell offs these times offer a great opportunity to re-balance the portfolio, as the better growth stories are being sold off as much if not more sometimes as the slower, more risk to earnings stories. This week and next week (options expiration) should offer a compelling time to get my portfolio more fit and ready for the year end bull.
Thanks for the thoughts over the weekend.
Tune in early tomorrow, kind of a lengthy one.
Also, it's a free post Monday post so feel free to send the link out to friends and family and the internet in general.


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redpajama_set_name: RedPajamaGithub


text:
Carly Pearce and Michael Ray Announce Split
Carly Pearce and Michael Ray have called it quits after less than one year of marriage. The couple announced the…
Carly Pearce and Michael Ray; Photo by Jason Kempin/Getty Images
Carly Pearce and Michael Ray have called it quits after less than one year of marriage.
The couple announced the news exclusively with PEOPLE, revealing that Pearce filed for divorce on Friday (June 19).
Pearce and Ray began dating in 2018 after crossing paths during a radio show. According to Pearce, she slid into Ray's DMs and chatted back and forth before officially setting up their first date. They made their red carpet debut at the CMA Awards in 2018 and after dating for several months, Carly and Michael got engaged in December of 2018. The romantic engagement took place in Tulum, Mexico during a vacation with Pearce's parents.
After a year-long engagement, Pearce and Ray tied the knot on October 6, 2019 in a "whimsical" ceremony at Drakewood Farm, about 15 miles north of Nashville. They exchanged vows in front of about 100 guests. Several weeks later, the couple enjoyed a honeymoon at Sandals South Coast in Jamaica.
Michael Ray
Blake Shelton Celebrates Birthday With Giant Tractor Cake
Scotty McCreery Celebrates 'Extra Sweet' No.1 With 'In Between'

redpajama_set_name: RedPajamaCommonCrawl


Things to do to meet people | A man's gotta do what a man's gotta do - have a blog!
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@home: If you live in a shared appartment, put up an electronic dartboard.
@work: Buy lots of sweets and put up a sign "Free candy" next to your door.


text:
\section{INTRODUCTION}

Graphene, a single sheet of carbon atoms in a honeycomb 2D lattice, has
attracted a tremendous interest since its experimental realization.\cit
{Nov1,Nov2} Graphene possesses several exotic features because of a linear
energy dispersion law around the two nodal points $K$ and $K^{\prime }$ in
the Brillouin zone. Due to its unique electronic band structure and specific
electromagnetic properties (in particular, high degree of nonlinearity\cit
{Mer1-2}), graphene is widely considered as a promising material in various
nonlinear optical applications. Hence, it is of actual interest to study
graphene fundamental physics in the presence of an electric, magnetic,
and/or optical fields. When a static magnetic field (uniform) is applied
perpendicular to the graphene plane, the electron energy is quantized
forming nonequidistant Landau levels (LL). For the massless Dirac
quasiparticles extra LL appears with zero energy shared by both electrons
and holes without an energy gap. As a consequence, in the graphene the
anomalous half-integer quantum Hall effect (QHE) takes place.\cit
{Nov3,Zhang,GS,Goer} This differs strongly from a integer QHE in
conventional two-dimensional electron gas.\cite{QHE} As is well known, in
the static QHE the Hall resistance is quantized into plateaus, which is a
topological phenomenon. \cite{TKNN} Thus, being topologically protected it
is robust against details of the disorder. Topological analysis of the QHE
in graphene\cite{GTop} shoes that the zero-mass Dirac QHE persists up to the
van Hove singularities. Optical response of the\ graphene QHE system has
been studied by different groups. Optical conductivity of graphene QHE
system with the different aspects have been studied in Refs.
\onlinecite{MHA,AC1,AC2,AC3,AC4,LLL1,Ferreira}]. Ultrafast carrier dynamics
and carrier multiplication in Landau-quantized graphene have been
investigated in Refs. [\onlinecite{Carrier1,Carrier2}]. In Refs.
\onlinecite{LLL1,LLL2}] tunable graphene-based laser on the Landau levels in
the terahertz regime have been proposed. As was shown in Ref.
\onlinecite{MHA}] the plateau structure in the QHE in 2DEG and in graphene
is retained, up to significant degree of disorder, even in the ac (THz)
regime, although the heights of the plateaus are no longer quantized. While
most of the works have concentrated on static or linear optical properties
of the graphene QHE system, one direction that has not been fully explored
is the nonlinear response of Landau-quantized graphene to a strong laser
radiation, which is the purpose of the present study. Note that in the
absence of the magnetic field graphene is an effective material for
multiphoton interband excitation, wave mixing, and harmonic generation.\cit
{Mer1-2,Mer3-4} Thus, in the magnetic field due to peaks in the density of
states one can expect enhancement of the harmonic radiation power.

In the graphene QHE system, wave-particle interaction can be characterized
by the dimensionless parameter $\chi =eE_{0}l_{B}/\hbar \omega $, which
represents the work of the wave electric field $E_{0}$ on the magnetic
length $l_{B}=\sqrt{c\hbar /eB}$ ($e$ is the elementary charge, $\hbar $ is
Planck's constant, $c$ is the light speed in vacuum, and $B$ is the magnetic
field strength) in units of photon energy $\hbar \omega $. Depending on the
value of this parameter $\chi $, one can distinguish three different regimes
in the wave-particle interaction process. Thus, $\chi <<1$ corresponds to
the one-photon interaction regime, $\chi >>1$ corresponds to the static
field limit, and $\chi \sim 1$ to the multiphoton interaction regime. In
this paper we consider just multiphoton interaction regime and look for
features in the harmonic spectra of the laser driven graphene. Accordingly,
the time evolution of the considered system is found using a nonperturbative
numerical approach, revealing that the generalized magneto-optical
conductivity of graphene on the harmonics of a strong pump laser radiation
in the quantum Hall regime has a characteristic Hall plateaus feature. The
plateaus heights are not quantized exactly and depend on the laser intensity
and broadening of Landau levels. The effect remains robust against a
significant broadening of Landau levels and takes place for wide range of
intensities and frequencies of a pump wave.

The paper is organized as follows. In Sec. II the Hamiltonian which governs
the quantum dynamics of considered process and the set of equations for a
single-particle density matrix are formulated. In Sec. III, we numerically
solve obtained equations and consider coherent nonlinear optical response of
graphene in the quantum Hall regime on the fundamental harmonic with
limiting linear case and on the third harmonic of an incident wave. Finally,
conclusions are given in Sec. IV.

\section{BASIC MODEL AND EVOLUTIONARY EQUATION\ FOR DENSITY MATRIX}

We begin our study with construction of the Hamiltonian which governs the
quantum dynamics of considered process. The graphene sheet is taken in the
xy$ plane ($z=0$) and a uniform static magnetic field is applied in the
perpendicular direction. A plane linearly polarized (along the $x$ axis)
quasimonochromatic electromagnetic radiation of carrier frequency $\omega $
and slowly varying envelope $E_{0}(t)$ interacts with the such system. To
avoid nonphysical effects semi-infinite pulses with smooth turn-on, in
particular, with hyperbolic tangent $E_{0}(t)=E_{0}\mathrm{tanh}(t/\tau
_{r}) $ envelope is considered. Here the characteristic rise time $\tau _{r}$
is chosen to be $\tau _{r}=20\pi /\omega $. We consider the case of
interaction when the wave propagates in the perpendicular direction to the
graphene sheet to exclude the effect of the wave magnetic field.\cite{Mer1-2}
Under these circumstances the single-particle Hamiltonian of graphene QHE
system in the presence of a uniform time-dependent electric field
\begin{equation}
E(t)=E_{0}(t)\cos \omega t  \label{e1}
\end{equation
reads:
\begin{equation}
\mathcal{H}_{s}=\hbar \omega _{B}\left(
\begin{array}{cc}
0 & \widehat{a} \\
\widehat{a}^{\dagger } &
\end{array
\right) +\left[ \widehat{I}\frac{el_{B}E(t)}{\sqrt{2}}\left( \widehat{b}+
\widehat{a}\right) +\mathrm{h.c.}\right] .  \label{ham}
\end{equation
Here $\omega _{B}=\sqrt{2}\mathrm{v}_{F}/l_{B}$ plays the role of the
cyclotron frequency, $\mathrm{v}_{F}$ is the Fermi velocity, and $\widehat{I}
$ is the identity matrix. For the interaction Hamiltonian we use a length
gauge describing the interaction by the potential energy. The ladder
operators $\widehat{a}$ and $\widehat{a}^{\dagger }$ describe quantum
cyclotron motion, while $\widehat{b}$ and $\widehat{b}^{\dagger }$
correspond to guiding center motion. These ladder operators satisfy the
usual commutation relations $[\widehat{a},\widehat{a}^{\dagger }]=1$ and $
\widehat{b},\widehat{b}^{\dagger }]=1$. The Hamiltonian is applicable near
the $K$ point in the Brillouin zone. For the considered model there are no
intervalley transitions and the valley index, as well as spin index will be
skipped. They will be incorporated into the consideration via the spin
g_{s} $ and valley $g_{v}$ degeneracy factors.

The single free particle Hamiltonian, that is the first term in Eq. (\re
{ham}) can be diagonalized analytically.\cite{Goer} The wave function and
energy spectrum are given by
\begin{equation}
|\psi _{n,m}\rangle =\sqrt{\left( 1+\delta _{n,0}\right) /2}\left(
\begin{array}{c}
\mathrm{sgn}(n)|\left\vert n\right\vert -1,m\rangle \\
|\left\vert n\right\vert ,m\rangl
\end{array
\right) ,  \label{WF}
\end{equation
\begin{equation}
\varepsilon _{n}=\mathrm{sgn}(n)\hbar \omega _{B}\sqrt{\left\vert
n\right\vert }.  \label{energy}
\end{equation
Here $|\left\vert n\right\vert ,m\rangle \ =|\left\vert n\right\vert \rangle
\ \otimes |m\rangle $, with $|\left\vert n\right\vert \rangle $ and
|m\rangle $ being the harmonic oscillator wave functions. The eigenstates
\ref{WF}) are defined by the quantum numbers $n=0,\pm 1...$ and $m=0,1..$.
Here $n$ is the LL index -- for an electron $n>0$ and for a hole $n<0$. The
extra LL with $n=0$ is shared by both electrons and holes. The LLs are
degenerate upon second quantum number $m$ with the large degeneracy factor
N_{B}=\mathcal{S}/2\pi l_{B}^{2}$ which equals the number of flux quanta
threading the 2D surface $\mathcal{S}$ occupied by the electrons. The terms
\sim \widehat{a}E(t)$ in the Hamiltonian (\ref{ham}) describe transitions
between LLs, while the terms $\sim \widehat{b}E(t)$ describe transitions
within the same LL. These transitions can be excluded from the consideration
by the appropriate choice of Dirac states for the construction of the
carrier quantum field operators. Expanding the fermionic field operator
\begin{equation}
|\widehat{\Psi }\rangle =\sum\limits_{n,m}\widehat{a}_{n,m}|\widetilde{\psi
_{n,m}\rangle  \label{expand}
\end{equation
over the dressed state
\begin{equation}
|\widetilde{\psi }_{n,m}\rangle =\exp \left[ -\frac{i}{\hbar }\frac{el_{B}}
\sqrt{2}}\int_{0}^{t}E(t^{\prime })dt^{\prime }\left( \widehat{b}^{\dagger }
\widehat{b}\right) \right] |\psi _{n,m}\rangle ,  \label{free}
\end{equation
the Hamiltonian of the system in the second quantization formalism
\begin{equation*}
\widehat{H}=\left\langle \widehat{\Psi }\right\vert \mathcal{H
_{s}\left\vert \widehat{\Psi }\right\rangle
\end{equation*
can be presented in the form
\begin{eqnarray}
\widehat{H} &=&\sum\limits_{n=-\infty }^{\infty
}\sum\limits_{m=0}^{N_{B}-1}\varepsilon _{n}\widehat{a}_{n,m}^{+}\widehat{a
_{n,m}  \notag \\
&&+\sum\limits_{n,n^{\prime }=-\infty }^{\infty
}\sum\limits_{m=0}^{N_{B}-1}E(t)\mathcal{D}_{n,n^{\prime }}\widehat{a
_{n,m}^{+}\widehat{a}_{n^{\prime },m},  \label{gr2}
\end{eqnarray
where $\widehat{a}_{n,m}^{\dagger }$\ and $\widehat{a}_{n,m}$ are,
respectively, the creation and annihilation operators for a carrier in a LL
state, and $\mathcal{D}_{n,n^{\prime }}$ is the dipole moment operator:
\begin{equation}
\mathcal{D}_{n,n^{\prime }}=\frac{iel_{B}}{2\sqrt{2}}\left[ \varkappa
_{n,n^{\prime }}\mathbb{\delta }_{\left\vert n\right\vert ,\left\vert
n^{\prime }\right\vert +1}+\varkappa _{n^{\prime },n}\mathbb{\delta
_{\left\vert n\right\vert ,\left\vert n^{\prime }\right\vert -1}\right]
\frac{\hbar \omega _{B}}{\varepsilon _{n^{\prime }}-\varepsilon _{n}},
\label{Dnn'}
\end{equation
where $\varkappa _{n,n^{\prime }}=\mathrm{sgn}(n)\sqrt{1+\delta _{n^{\prime
},0}}$. Then we will pass to Heisenberg representation where operators obey
the evolution equation
\begin{equation*}
i\hbar \frac{\partial \widehat{L}}{\partial t}=\left[ \widehat{L},\widehat{H
\right]
\end{equation*
and expectation values are determined by the initial density matrix
\widehat{D}$: $<\widehat{L}>=Sp\left( \widehat{D}\widehat{L}\right) $. In
order to develop microscopic theory of the nonlinear interaction of the
graphene QHE system with a strong radiation field, we need to solve the
Liouville-von Neumann equation for the single-particle density matri
\begin{equation}
\rho (n_{1},m_{1};n_{2},m_{2},t)=<\widehat{a}_{n_{2},m_{2}}^{+}(t)\widehat{a
_{n_{1},m_{1}}(t)>.  \label{grSPDM}
\end{equation
For the initial state of the graphene quasiparticles we assume an ideal
Fermi gas in equilibrium. According to the latter, the initial
single-particle density matrix will be diagonal, and we will have the
Fermi-Dirac distribution
\begin{equation}
\rho (n_{1},m_{1};n_{2},m_{2},0)=\rho _{F}\left( n_{1}\right) \frac{\delta
_{n_{1},n_{2}}\delta _{m_{1},m_{2}}}{1+\exp \left( \frac{\varepsilon
_{n_{1}}-\varepsilon _{F}}{T}\right) },  \label{grISPDM}
\end{equation
\begin{equation}
\rho _{F}\left( n_{1}\right) =\frac{1}{1+\exp \left( \frac{\varepsilon
_{n_{1}}-\varepsilon _{F}}{T}\right) }.  \label{FDD}
\end{equation
Including in Eq. (\ref{grISPDM}) quantity $\varepsilon _{F}$ is the Fermi
energy, $T$ is the temperature in energy units. As is seen from the
interaction term in the Hamiltonian (\ref{gr2}) quantum number $m$ is
conserved: $\rho (n_{1},m_{1};n_{2},m_{2},t)=\rho _{n_{1},n_{2}}\left(
t\right) \delta _{m_{1},m_{2}}$. To include the effect of the LLs broadening
we will assume that it is caused by the disorder described by randomly
placed scatterers. When the range of the random potential is larger than the
lattice constant in graphene, the scattering between $K$ and $K^{\prime }$
points in the Brillouin zone is suppressed and we can assume homogeneous
broadening of the LLs.\cite{Ando} The latter can be incorporated into
evolution equation for $\rho _{n_{1},n_{2}}\left( t\right) $ by the damping
term $-i\Gamma _{n_{1},n_{2}}\rho _{n_{1},n_{2}}\left( t\right) $ and from
Heisenberg equation one can obtain evolution equation for the reduced
single-particle density matrix
\begin{equation}
i\hbar \frac{\partial \rho _{n_{1},n_{2}}(t)}{\partial t}=\left[ \varepsilon
_{n_{1}}-\varepsilon _{n_{2}}\right] \rho _{n_{1},n_{2}}(t)-i\Gamma
_{n_{1},n_{2}}\rho _{n_{1},n_{2}}\left( t\right)  \notag
\end{equation
\begin{equation}
-E(t)\sum\limits_{n}\left[ \mathcal{D}_{n,n_{2}}\rho _{n_{1},n}(t)-\mathcal{
}_{n_{1},n}\rho _{n,n_{2}}(t)\right] .  \label{grevol}
\end{equation
For the norm-conserving damping matrix we take $\Gamma _{n_{1},n_{2}}=\Gamma
\left( 1-\delta _{n_{1},n_{2}}\right) $, where $\Gamma $ measures the Landau
level broadening.

\section{COHERENT NONLINEAR OPTICAL RESPONSE}

Solving Eq. (\ref{grevol}) with the initial condition (\ref{grISPDM}) one
can reveal nonlinear response of the graphene QHE system to a strong laser
radiation. At that one can expect intense radiation of harmonics of the
incoming wave-field in the result of the coherent transitions between LLs.
The harmonics will be described by the additional generated fields
E_{x,y}^{(g)}$. \ We assume that the generated fields are considerably
smaller than the incoming field $\left\vert E_{x,y}^{(g)}\right\vert
<<\left\vert E\right\vert $. In this case we do not need to solve
self-consistent Maxwell's wave equation with Heisenberg equations. To
determine the electromagnetic field of harmonics we can solve Maxwell's wave
equation in the propagation direction with the given source term
\begin{equation}
\frac{\partial ^{2}E_{x,y}^{(t)}}{\partial z^{2}}-\frac{1}{c^{2}}\frac
\partial ^{2}E_{x,y}^{(t)}}{\partial t^{2}}=\frac{4\pi }{c^{2}}\frac
\partial \mathcal{J}_{x,y}\left( t\right) }{\partial t}\delta \left(
z\right) .  \label{Max}
\end{equation
Here $\delta \left( z\right) $ is the Dirac delta function, $E_{x,y}^{(t)}$
is the total field, and $\mathcal{J}_{x,y}\left( t\right) $ is the mean
value of the surface current density operator:
\begin{eqnarray}
\widehat{\mathcal{J}}_{x}\left( t\right) &=&-\frac{e\mathrm{v}_{F}g_{s}g_{v
}{\mathcal{S}}\left\langle \widehat{\Psi }\right\vert \sigma _{x}\left\vert
\widehat{\Psi }\right\rangle ,  \notag \\
\widehat{\mathcal{J}}_{y}\left( t\right) &=&-\frac{e\mathrm{v}_{F}g_{s}g_{v
}{\mathcal{S}}\left\langle \widehat{\Psi }\right\vert \sigma _{y}\left\vert
\widehat{\Psi }\right\rangle .  \label{jqxy}
\end{eqnarray
Here $g_{s}=2$\ and $g_{v}=2$\ are the spin and valley degeneracy factors,
respectively. With the help of Eqs. (\ref{expand}) and (\ref{grSPDM}), the
expectation value (\ref{jqxy}) of the total current in components can be
written in the following form
\begin{equation*}
\mathcal{J}_{x}=-\frac{e\mathrm{v}_{F}}{\pi l_{B}^{2}}\sum\limits_{n,n^
\prime }}\rho _{n^{\prime },n}\left( \varkappa _{n,n^{\prime }}\mathbb
\delta }_{\left\vert n\right\vert ,\left\vert n^{\prime }\right\vert
+1}+\varkappa _{n^{\prime },n}\mathbb{\delta }_{\left\vert n\right\vert
,\left\vert n^{\prime }\right\vert -1}\right) ,
\end{equation*
\begin{equation}
\mathcal{J}_{y}=-\frac{ie\mathrm{v}_{F}}{\pi l_{B}^{2}}\sum\limits_{n,n^
\prime }}\rho _{n^{\prime },n}\left( \varkappa _{n^{\prime },n}\mathbb
\delta }_{\left\vert n\right\vert ,\left\vert n^{\prime }\right\vert
-1}-\varkappa _{n,n^{\prime }}\mathbb{\delta }_{\left\vert n\right\vert
,\left\vert n^{\prime }\right\vert +1}\right) .  \label{grcurry}
\end{equation
In Eq. (\ref{grcurry}) we have also made summation over the quantum number
m $ which yields the degeneracy factor $\mathcal{S}/2\pi l_{B}^{2}$. The
solution to equation (\ref{Max}) read
\begin{equation*}
E_{x,y}^{(t)}\left( t,z\right) =E_{x,y}\left( t-z/c\right)
\end{equation*
\begin{equation}
-\frac{2\pi }{c}\left[ \theta \left( z\right) \mathcal{J}_{x,y}\left(
t-z/c\right) +\theta \left( -z\right) \mathcal{J}_{x,y}\left( t+z/c\right)
\right] ,  \label{sol}
\end{equation
where $\theta \left( z\right) $ is the Heaviside step function with $\theta
\left( z\right) =1$ for $z\geq 0$ and zero elsewhere. The first term in Eq.
\ref{sol}) is the incoming wave. In the second line of Eq. (\ref{sol}), we
see that after the encounter with the graphene sheet two propagating waves
are generated. One traveling in the propagation direction of the incoming
pulse and one traveling in the opposite direction. The Heaviside functions
ensure that the generated light propagates from the source located at $z=0$.
We assume that the spectrum is measured at a fixed observation point in the
forward propagation direction. For the generated field at $z>0$ we hav
\begin{equation}
E_{x,y}^{(g)}\left( t-z/c\right) =-\frac{2\pi }{c}\mathcal{J}_{x,y}\left(
t-z/c\right) .  \label{solut}
\end{equation}

Now, performing the summation in Eqs. (\ref{grcurry}) and using solutions
\ref{solut}) we can calculate the harmonic radiation spectrum with the help
of Fourier transform of the functions $E_{x,y}^{(g)}\left( t-z/c\right) $
\begin{equation}
E_{x,y}^{(g)}\left( s\right) =\frac{\omega }{2\pi }\int_{0}^{2\pi /\omega
}E_{x,y}^{(g)}\left( t\right) e^{is\omega t}dt=-\frac{2\pi }{c}\mathcal{J
_{x,y}^{\left( s\right) },  \label{F1}
\end{equation
wher
\begin{equation}
\mathcal{J}_{x,y}^{\left( s\right) }=\frac{\omega }{2\pi }\int_{0}^{2\pi
/\omega }\mathcal{J}_{x,y}\left( t\right) e^{is\omega t}dt.  \label{F2}
\end{equation
Let us now introduce generalized magneto-optical conductivity of graphene
\begin{equation}
\Sigma _{xx}^{(s)}\left( \omega ,E_{0}\right) =\frac{\mathcal{J}_{x}^{\left(
s\right) }}{E_{x}^{\left( 1\right) }}=\frac{2\mathcal{J}_{x}^{\left(
s\right) }}{E_{0}},  \label{long}
\end{equation
\begin{equation}
\Sigma _{yx}^{(s)}\left( \omega ,E_{0}\right) =\frac{\mathcal{J}_{y}^{\left(
s\right) }}{E_{x}^{\left( 1\right) }}=\frac{2\mathcal{J}_{y}^{\left(
s\right) }}{E_{0}}.  \label{hall}
\end{equation
Note that in the limit $E_{0}\rightarrow 0$ at $s=1$, from the generalized
conductivity (\ref{long}) and (\ref{hall}) one can derive magneto-optical
conductivity of graphene obtained within the framework of linear response
theory
\begin{equation}
\Sigma _{xx}^{(1)}\left( \omega ,E_{0}\rightarrow 0\right) =\sigma
_{xx}\left( \omega \right) ,  \label{limit1}
\end{equation
\begin{equation}
\Sigma _{yx}^{(1)}\left( \omega ,E_{0}\rightarrow 0\right) =\sigma
_{yx}\left( \omega \right) .  \label{limit2}
\end{equation
For $s\neq 1$ the quantities defined via Eqs. (\ref{long}) and (\ref{hall})
describe nonlinear response of the graphene QHE via radiation of harmonics.
In the following the nonlinear effects on the fundamental harmonic with
limiting linear case and on the third harmonic will be considered separately.

\subsection{Linear magneto-optical conductivity of graphene}

For the comparison with the nonlinear case and for completeness in this
subsection we consider magneto-optical conductivity of graphene in the scope
of linear response theory. Thus, we first solve Eq. (\ref{grevol}) in the
first order over the field $E(t)$. We look for the solution of Eq. (\re
{grevol}) in the for
\begin{equation*}
\rho _{n_{1},n_{2}}(t)\simeq \rho _{n_{1},n_{2}}^{(0)}+\rho
_{n_{1},n_{2}}^{(1)},
\end{equation*
wit
\begin{equation*}
\rho _{n_{1},n_{2}}^{(0)}(t)=\rho _{F}\left( n_{1}\right) \delta
_{n_{1},n_{2}}.
\end{equation*
Keeping only first order over $E(t)$ terms from Eq. (\ref{grevol}) one can
obtain the solutio
\begin{widetext}
\begin{equation}
\rho _{n_{1},n_{2}}^{(1)}(t)=\frac{\mathcal{D}_{n_{1},n_{2}}\left[ \rho
_{F}(n_{1})-\rho _{F}(n_{2})\right] }{\varepsilon _{n_{1}}-\varepsilon
_{n_{2}}+\hbar \omega -i\Gamma }\frac{E_{0}e^{i\omega t}}{2}+\frac{\mathcal{
}_{n_{1},n_{2}}\left[ \rho _{F}(n_{1})-\rho _{F}(n_{2})\right] }{\varepsilon
_{n_{1}}-\varepsilon _{n_{2}}-\hbar \omega -i\Gamma }\frac{E_{0}e^{-i\omega
t}}{2},  \label{LRT}
\end{equation
where we have assumed adiabatic turn on of the field $E_{0}(t\rightarrow 0)=0
$. The magneto-optical conductivity of graphene corresponding to obtained
density matrix (\ref{LRT}), according to Eqs. (\ref{long})-(\ref{limit2})
will be given by formulas:
\begin{equation}
\sigma _{xx}\left( \omega \right) =-\frac{e^{2}}{h}\frac{i}{2
\sum\limits_{n_{1},n_{2}}\frac{\rho _{F}(n_{1})-\rho _{F}(n_{2})}
\varepsilon _{n_{1}}-\varepsilon _{n_{2}}+\hbar \omega -i\Gamma }\left[
\left( 1+\delta _{n_{2},0}\right) \mathbb{\delta }_{\left\vert
n_{1}\right\vert ,\left\vert n_{2}\right\vert +1}+\left( 1+\delta
_{n_{1},0}\right) \mathbb{\delta }_{\left\vert n_{1}\right\vert ,\left\vert
n_{2}\right\vert -1}\right] \frac{\hbar ^{2}\omega _{B}^{2}}{\varepsilon
_{n_{2}}-\varepsilon _{n_{1}}},  \label{sxx}
\end{equation
\begin{equation}
\sigma _{yx}\left( \omega \right) =\frac{e^{2}}{h}\frac{1}{2
\sum\limits_{n_{1},n_{2}}\frac{\rho _{F}(n_{1})-\rho _{F}(n_{2})}
\varepsilon _{n_{1}}-\varepsilon _{n_{2}}+\hbar \omega -i\Gamma }\left[
\left( 1+\delta _{n_{2},0}\right) \mathbb{\delta }_{\left\vert
n_{1}\right\vert ,\left\vert n_{2}\right\vert +1}-\left( 1+\delta
_{n_{1},0}\right) \mathbb{\delta }_{\left\vert n_{1}\right\vert ,\left\vert
n_{2}\right\vert -1}\right] \frac{\hbar ^{2}\omega _{B}^{2}}{\varepsilon
_{n_{2}}-\varepsilon _{n_{1}}},  \label{syx}
\end{equation
\end{widetext}where $h=2\pi \hbar $. Note that Eqs. (\ref{sxx}) and (\re
{syx}) for longitudinal ($\sigma _{xx}\left( \omega \right) $) and Hall (
\sigma _{yx}\left( \omega \right) $) conductivities coincide with results of
Ref. [\onlinecite{AC2}] obtained via a Green's function calculation and,
also, with a Kubo formula calculation within the Dirac cone approximation
\cite{Ferreira} The variation of conductivity with the Fermi energy reveals
characteristic feature of 2D systems: Hall quantization - when Fermi energy
passes through Landau levels. The Hall conductivity quantization rule for
graphene can be obtained from Eq. (\ref{syx}). In the limit of $\left\{
\hbar \omega ,\Gamma ,T\right\} <<\hbar \omega _{B}$ the expression (\re
{syx}) simplifies to
\begin{equation}
\sigma _{yx}\left( 0\right) =4\frac{e^{2}}{h}\left( n_{F}+\frac{1}{2}\right)
,  \label{IQHE}
\end{equation
the so-called half-integer quantum Hall quantization rule for graphene\cit
{Nov3} ($n_{F}$ is the index of the last occupied LL). In Fig. 1 we display
linear optical response of graphene QHE system via real part of Hall
conductivity (\ref{syx}) versus Fermi energy for various frequencies. The LL
broadening is taken to be $\Gamma =0.1\hbar \omega _{B}$. As is seen from
this figure the Hall conductivity quantization rule persist for low
frequency radiation,\cite{MHA,Ferreira} however for higher frequencies it
disappears.

\begin{figure}[tbp]
\includegraphics[width=.46\textwidth]{figure1.eps}
\caption{Linear optical response of graphene QHE system via real part of the
Hall conductivity versus Fermi energy for various frequencies. The LL
broadening is taken to be $\Gamma =0.1\hbar \protect\omega _{B}$. Vertical
dashed lines indicate Landau levels.}
\end{figure}

\subsection{Non-linear magneto-optical conductivity of graphene}

For the strong fields Eq. (\ref{grevol}) can not be solved analytically and
one should use numerical methods. For this propose the time evolution of
system (\ref{grevol}) is found with the help of the standard fourth-order
Runge-Kutta algorithm and for calculation of Fourier transform of the
functions $\mathcal{J}_{x,y}\left( t\right) $ the fast Fourier transform
algorithm is used. For all calculations the temperature is taken to be
T/\hbar \omega _{B}=0.01$.

Figures 2 and 3 show nonlinear response of the graphene QHE system via real
and absolute value of non-linear optical Hall conductivity versus Fermi
energy for various pump wave intensities. From these figures we immediately
notice a step-like structure of the non-linear optical Hall conductivity as
a function of $\varepsilon _{F}$ for various pump wave intensities. In these
figures the vertical dashed lines indicate Landau levels. Although the step
heights are not quantized exactly, the flatness, which is a intrinsic
property of the static QHE, surprisingly exists also in the nonlinear
response of the graphene. In the static QHE the step structure of the Hall
conductivity is a quantum and topological effect. In the considered case
Eqs. (\ref{grcurry}) does not simply reduce to a topological expression and
the result for the robust plateaus of the nonlinear optical response is
nontrivial.
\begin{figure}[tbp]
\includegraphics[width=.46\textwidth]{figure2.eps}
\caption{Real part of non-linear optical Hall conductivity of graphene QHE
system versus Fermi energy for various pump wave intensities with $\protec
\omega =0.5\protect\omega _{B}$. The LL broadening is taken to be $\Gamma
=0.2\hbar \protect\omega _{B}$.}
\end{figure}
\begin{figure}[tbp]
\includegraphics[width=.46\textwidth]{figure3.eps}
\caption{Absolute value of non-linear optical Hall conductivity of graphene
QHE system versus Fermi energy for various pump wave intensities with
\protect\omega =0.5\protect\omega _{B}$. The LL broadening is taken to be
\Gamma =0.2\hbar \protect\omega _{B}$.}
\end{figure}
We further examine how the step-like structure in the nonlinear response of
the graphene behaves for various pump wave frequencies. Absolute value of
non-linear optical Hall conductivity of graphene QHE system at the
fundamental harmonic is shown in Fig. 4. Thus, the step structure preserves
for the wide range of the pump wave frequencies.

We also examine how the step-like structure in the nonlinear optical
response of graphene QHE system behaves as we vary the LL broadening. So we
have calculated $\Sigma _{yx}^{(1)}$ as a function of $\Gamma $, for fixed
values of $\omega $ and $\chi $. We can see from Fig. 5 that, while the
density of states broadens with a width $\sim \Gamma $ the step structure
remains up to large $\Gamma $.
\begin{figure}[tbp]
\includegraphics[width=.55\textwidth]{figure4.eps}
\caption{Absolute value of non-linear optical Hall conductivity of graphene
QHE system versus Fermi energy and pump wave frequency (ratio $\protec
\omega _{B}/\protect\omega $) for a wave of intensity $\protect\chi =0.8$.
The LL broadening is taken to be $\Gamma =0.2\hbar \protect\omega _{B}$. }
\end{figure}
\begin{figure}[tbp]
\includegraphics[width=.55\textwidth]{figure5.eps}
\caption{Absolute value of non-linear optical Hall conductivity of graphene
QHE system versus Fermi energy and LL broadening for a wave of intensity
\protect\chi =0.8$ and frequency $\protect\omega =0.5\protect\omega _{B}$.}
\end{figure}
Note that the non-linear optical Hall conductivity of graphene QHE as in the
case of linear response case defines Faraday rotation and ellipticity of the
transmitted wave. It is straightforward from Eqs. (\ref{F1}) and (\ref{hall
) that generated field on the fundamental harmonic polarized perpendicular
to the polarization of a pump wave is defined as
\begin{equation}
E_{y}^{(g)}=-\frac{2\pi E_{0}}{c}\left( \mathrm{Re}\Sigma _{yx}^{(1)}\cos
\omega t-\mathrm{Im}\Sigma _{yx}^{(1)}\sin \omega t\right) .  \label{Eg1}
\end{equation
Hence, the absolute value of Faraday rotation angle ($\vartheta _{F}$) and
ellipticity ($\delta _{F}$) will be defined as:
\begin{equation}
\left\vert \vartheta _{F}\right\vert =\frac{2\pi }{c}\left\vert \mathrm{Re
\Sigma _{yx}^{(1)}\right\vert ;\ \left\vert \delta _{F}\right\vert =\frac
2\pi }{c}\left\vert \mathrm{Im}\Sigma _{yx}^{(1)}\right\vert .
\label{Faraday}
\end{equation
Thus, Faraday rotation angle and ellipticity present a step-like structure
as the Fermi energy crosses different Landau levels. \

\subsection{Third harmonic radiation process}

The nonlinear response of the graphene QHE system to a strong laser
radiation is also proceeded by radiation of harmonics of the incoming
wave-field in the result of the coherent transitions between LLs. As is seen
from Eqs. (\ref{grevol}) and (\ref{grcurry}), the spectrum contains in
general both even and odd harmonics. However, depending on the initial
conditions, in particular, for the equilibrium initial state (\ref{grISPDM})
and at the smooth turn-on-off of the wave field the terms containing even
harmonics cancel each other because of inversion symmetry of the system and
only the odd harmonics are generated. The emission strength of the $s$th
harmonic is characterized by the generalized magneto-optical conductivity of
graphene $\Sigma _{xx}^{(s)}$ and $\Sigma _{yx}^{(s)}$. Calculations show
that for $s>1$ $\left\vert \Sigma _{xx}^{(s)}\right\vert >>\left\vert \Sigma
_{yx}^{(s)}\right\vert $, that is harmonics are radiated with the same
polarization as incoming wave. Hence, we will consider moderately strong
waves and we confine ourselves to only third harmonic radiation process and
numerically investigate generalized longitudinal magneto-optical
conductivity of graphene QHE on the third harmonic $\Sigma _{xx}^{(3)}$. To
determine optimal values of a pump wave frequency for third harmonic
radiation process we calculated $\Sigma _{xx}^{(3)}$ as a function of a pump
wave frequency for various intensities (Fig. 6). As is seen optimal
frequencies are close to the cyclotron frequency $\omega _{B}$.

\begin{figure}[tbp]
\includegraphics[width=.48\textwidth]{figure6.eps}
\caption{Generalized longitudinal magneto-optical conductivity of graphene
QHE on the third harmonic of a pump wave versus ratio $\protect\omega _{B}
\protect\omega $ for various intensities at $\protect\varepsilon _{F}/\hbar
\protect\omega _{B}=0.5$. The LL broadening is taken to be $\Gamma =0.2\hbar
\protect\omega _{B}$. }
\end{figure}
Then we investigate the variation of conductivity $\Sigma _{xx}^{(3)}$ with
the Fermi energy. In Fig. 7 the third harmonic radiation strength in
graphene QHE system via absolute value of generalized longitudinal
conductivity versus Fermi energy for various pump wave intensities is shown.
From these figure we also notice a step-like structure of the generalized
longitudinal magneto-optical conductivity on the third harmonic. However,
\left\vert \Sigma _{xx}^{(3)}\right\vert $ decreases with the increase of
the Fermi energy, which is connected with the fact that due to
nonequidistant Landau levels in graphene the transitions with large energy
difference give main contribution to $\Sigma _{xx}^{(3)}$ for this frequency
range and with the increase of Fermi energy because of Pauli blocking the
contribution of these transitions are vanished.
\begin{figure}[tbp]
\includegraphics[width=.46\textwidth]{figure7.eps}
\caption{The third harmonic radiation strength in graphene QHE system via
absolute value of generalized longitudinal conductivity versus Fermi energy
for various pump wave intensities with $\protect\omega _{B}=1.2\protec
\omega $. The LL broadening is taken to be $\Gamma =0.2\hbar \protect\omega
_{B}$. }
\label{eps3}
\end{figure}

We also examine how the step-like structure in the $\Sigma _{xx}^{(3)}$
behaves depending on the pump wave frequency and LL broadening. The results
of our calculations are shown in Figs. (8) and (9). Thus, the step structure
preserves for large LL broadening and for the wide range of the pump wave
frequencies.
\begin{figure}[tbp]
\includegraphics[width=.46\textwidth]{figure8.eps}
\caption{The third harmonic radiation strength in graphene QHE system via
absolute value of generalized longitudinal conductivity versus Fermi energy
for various pump wave frequencies with $\protect\chi =0.8$. The LL
broadening is taken to be $\Gamma =0.2\hbar \protect\omega _{B}$. }
\end{figure}
\begin{figure}[tbp]
\includegraphics[width=.46\textwidth]{figure9.eps}
\caption{The third harmonic radiation strength in graphene QHE system via
absolute value of generalized longitudinal conductivity versus Fermi energy
for various values of LL broadening at fixed pump wave frequency $\protec
\omega =1.1\protect\omega _{B}$. The intensity parameter is taken to be
\protect\chi =0.7$.}
\label{eps7}
\end{figure}

\section{DISCUSSION AND SUMMARY}

Finally let us consider the experimental feasibility of considered
processes. It is clear that in experiment one can observe the considered
effect by measuring $\Sigma _{yx}^{(1)}$ and/or $\Sigma _{xx}^{(3)}$. The
first quantity is responsible for the nonlinear Faraday effect, while last
quantity responsible for third harmonic radiation polarized along the
incoming wave polarization. Thus, the step structure should be observed as
jumps in the intensity of third harmonic ($I_{x}^{(3)}$) or fundamental
harmonic radiation with orthogonal polarization ($I_{y}^{(1)}$). These
quantities are proportional to the pump wave intensity ($I$). From Eqs. (\re
{F1}), (\ref{long}), and (\ref{hall})) it follows that $I_{x}^{(3)}=\alpha
^{2}I\left\vert \Sigma _{xx}^{(3)}h/e^{2}\right\vert ^{2}$ and
I_{y}^{(1)}=\alpha ^{2}I\left\vert \Sigma _{yx}^{(1)}h/e^{2}\right\vert ^{2}
, where $\alpha $ is the fine structure constant. For the pump wave field we
will assume a $\mathrm{CO}_{2}$ laser with $\hbar \omega \simeq 0.1\ \mathrm
eV}$. The average intensity of the wave for $\chi =0.8$ is $I\simeq 5\times
10^{7}$ $\mathrm{W/cm}^{2}$. For the setup of Fig. 7 with the chosen
parameters the average intensity of the third harmonic radiation on the
first plateau is $I_{x}^{(3)}\simeq 30$ $\mathrm{W/cm}^{2}$ and the first
step is $\Delta I_{x}^{(3)}\sim 10$ $\mathrm{W/cm}^{2}$. For the setup of
Fig. 4 the average intensity on the first plateau is $I_{y}^{(1)}\simeq 180$
$\mathrm{W/cm}^{2}$ and the first step is $\Delta I_{y}^{(1)}\sim 280$
\mathrm{W/cm}^{2}$. Thus, that the present effect is well within the
experimental feasibility.

To summarize, we have presented a microscopic theory of the graphene
interaction with coherent electromagnetic radiation in the quantum Hall
regime. The evolutionary equation for a single-particle density matrix has
been solved numerically. We have revealed that the nonlinear optical
response of graphene to a strong laser radiation in the quantum Hall regime,
in particular, radiation strength on the third harmonics, as well as
nonlinear Faraday effect, has a characteristic Hall plateau structures that
persist for a wide range of the pump wave frequencies and intensities even
for significant broadening of \ LLs because of impurities in graphene.

\begin{acknowledgments}
This work was supported by the RA MES State Committee of Science, in the
frames of the research project No. 15T-1C013.
\end{acknowledgments}

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I was just reading the same thing and coming to the same conclusion.
Chapters 40 to 43 are PL OK.
Thank you both. Kathleen, would you like to record more chapters? It is supposed to be "end of chapter 40".
I would like to orphan chapter 17.
Okay. I removed the claim for Chapter 17 in the MW.
It is so nice of you. You made my day. Thank you.
Funny scene, reminded me of an episode of Dr. Kildare, with Parkman as Dr. Gillespie.
Chapter 25 sounds great. Loved that slight pause before "retraction"! Marked PL OK.
Thanks a lot, Matt. WOuld you like to continue with 27 and 28?
Beat you to it, Stav; I've already recorded 27-29. Will upload asap.
I was busy and so were you. Thanks for 27 and 28. Would you like to continue with 29-32?
Chapter 26 is PL OK. Will get to the others tomorrow.


A formal groundbreaking for a long-awaited development project in downtown Huntsville has been set for next week, perhaps signaling a move forward in efforts to re-shape a high-profile spot near the Von Braun Center.
The groundbreaking ceremony at CityCentre, to be located on the site of the now-demolished Holiday Inn on Williams Avenue at Monroe Street, will take place Jan. 10 at 2 p.m.
Developer RCP Companies said the event will mark the beginning of work on Phase 1, which will include a six-story, 150-unit first-in-Alabama AC Marriott hotel. BL Harbert International will lead construction on the hotel.
The project is planned to bolster Huntsville's burgeoning downtown, though it has come together a bit slower than first expected.
When the project – initially tabbed Big Spring Square — was first announced in 2014, groundbreaking was planned for April 2015.
A revised timeline in 2015 projected construction to begin in March 2016.
According to RCP Director Odie Fakhouri, Phase 1 will be now completed by the spring of 2018.
It replaces anticipation with action for the site that's been vacant since the Holiday Inn was razed almost two years ago and the site was fenced off with a curtain promising the coming CityCentre.
CityCentre will include north Alabama's first artisan market and food hall.
More details will be announced at the groundbreaking, which Fakhouri said will include another first-to-Alabama concept to be a part of Phase 1.


text:
Q: CUDA C++ How to programs to benchmark shared memory bandwidth? I'm looking for a way to benchmark shared mem and L1/L2 cache. However, the benchmark results I found are very different depending on the source.
In this paper, Dissecting the NVIDIA Volta GPU Architecture via Microbenchmarking, they show shared memory bandwidth to be 12000GB/s on Tesla V100, but they don't provide how they reached that number. If I use gpumembench on a NVIDIA A30, I only get ~5000GB/s.
Is there any other sample programs I can use to benchmark shared memory?

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text:
Mazoyères Chambertin, Grand Cru, 2012
£1200.00 for 6x75cl
More from Perrot-Minot
About Perrot-Minot
After practising the profession of wine broker for seven years, Christophe Perrot-Minot took over his parent's estate in 1993. As well as providing renewed vigour and a perfectionist's approach to the winemaking, Christophe also succeeded in expanding the Domaine substantially by buying out the famous Pernin-Rossin estate in Vosne-Romanée, starting with the 2000 vintage. The viticulture is respectful to nature and terroir - no chemical fertiliser or herbicides are used. Low yields and Christophe's eye for detail are fundamental to the great quality of the wines, in addition to the Domaine's impressive army of old vines ranging from 40 to 100 years old. Everything is hand-picked, vine leaves and canopies are thinned during the season and sorting / grapes selections are rigorous. The grapes are , for the most part, de- stalked and after fermentation are aged in a maximum of 30-40% new oak. The wines are incredibly ripe, refined and concentrated, yet despite their almost modern intensity and polish they allow the nuances and character of terroir to come through strongly. A stellar Domaine.
Appellation: Mazoyères-Chambertin
Mazoyeres Chambertin is relatively rarely found owing to the fact that it makes up just over half of the wider Charmes Chambertin appellation. Most growers opt to label as Charmes over Mazoyeres. In fact Mazoyeres is generally considered to be one of the weaker Grand Crus mostly because it is a large vineyard with a fair amount of topographical variation. Charmes and Mazoyeres combined brings the total area to over 30 HA, thus a consistent style and character is difficult to pin down. Picking the right plot from the right producer is very important when it comes to Charmes and Mazoyeres Chambertin but excellent examples are produced by the likes of Rousseau, Roumier and Perrot-Minot.


This page has information for child care providers about your regulatory authority, approval to operate a service and quality assessment and rating.
Quality Education and Care NT (QECNT) regulates early childhood education and care services (including child care providers) in the Northern Territory under the National Quality Framework.
notification of change of status, incidents or complaints.
Go to the national authority ACECQA website for more information on approval and notification requirements.
Childcare services are assessed and rated under the National Quality Framework (NQF).
QECNT undertakes the assessment and rating process in the Territory.
Go to the ACECQA website for more information on assessment and rating.
Read more about the National Quality Framework.


text:
Favorite Battle of Britain Aircraft
to me it would have to the junkers ju-87…that sound it made when coming in for the attack was deafening and it would terrify you on the ground
Carrier Conversions
I read Shinano sunk because United States torpedo often malfunction and go below target so fire on Shinano set shallow. Torpedo run actual depth setting that time and happen to hit on end of steel beam that hold out torpedo blister. Beam ram through ship and cause to sink.
German Battleship Jean Bart
@ABWorsham: And had the Germans had not been able to put the French Navy to sea, the guns could have been added to the Atlantic Wall. Have any of you read about the gun duels between Kent, England and Pas-de-Calais, France between 1940 and 1944? No! But do tell?
Wrecks of WWII Carriers Kaga and Akagi Located
@barnee said in Wrecks of WWII Carriers Kaga and Akagi Located: @CWO-Marc yea Spruance steaming away at night was a smart move. I wonder if Halsey was in the same situation if he would have. I kinda doubt it Agreed. Ray Spruance was an excellent combat officer – he and Halsey spent the last few years of WWII alternating command of the 5th Fleet / 3rd Fleet, which was actually the same force whose name got switched every time the two admirals rotated, much to the confusion of Japanese naval intelligence – but he was very different from Bill Halsey in terms of style and personality. Spruance was precise and analytical; he certainly didn't lack aggressiveness (when he made a decision to attack, he sent in "everything that wasn't bolted to the flight deck"), but before making his decision to attack he would carefully weigh all the factors of the situation, which sometimes translated into over-cautiousness. Halsey was a hell-for-leather type – sort of the naval counterpart of George Patton – whose fighting spirit greatly inspired his men (the enlisted sailors loved him, not least for the fact that he could drink and swear as well as any of them), but this sometimes translated into recklessness. After the war, someone – I think it was Spruance himself – said that it would have been better if Halsey has been in command at the Battle of the Philippine Sea (where the IJN lost hundred of planes and pilots, but managed to save the bulk of its fleet) and if Spruance had been in command at the Battle of Leyte Gulf (where Halsey fell for a Japanese decoy operation, and compounded his error by leaving no covering force to guard the San Bernardino Straight).


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New Chinese premier to visit Pakistan next week
The visit will provide the Chinese premier an opportunity to meet the new leadership in Pakistan.
Updated:May 13, 2013, 3:44 PM IST
Islamabad: China's new Premier Li Keqiang will arrive in Islamabad next week to meet Pakistan's new leadership to give "further impetus" to the strategic ties between the two 'all-weather' allies. Li's two-day visit from May 22-23 comes at the invitation of President Asif Ali Zardari. It will be Li's first visit to Pakistan after becoming premier and comes at a time when the country has held its landmark general elections.
"A warm welcome awaits him," Foreign Office spokesman Aizaz Ahmad Chaudhry said in a brief statement. The visit will provide the Chinese premier an opportunity to meet the new leadership in Pakistan, he said.
"The visit also provides further impetus to our strategic relations. These friendly ties and the friendship with China is the cornerstone of Pakistan's foreign policy," Chaudhry said. Former premier Nawaz Sharif's PML-N has taken an unassailable lead in the parliamentary polls and is set to form the next government in Islamabad.
The change will not have any impact on the traditionally strong relations between Islamabad and Beijing. The leadership of China and Pakistan describe their strategic relations as 'all-weather'. Li was elected as Chinese premier in March succeeding Wen Jiabao. The Chinese premier is also scheduled to visit India from May 19-21.
aizaz ahmad chaudhry
Chinese premier
li keqiang


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Karanovic & Partners advised Nutanix, Inc.
Nutanix Buys Frame For USD 165 Million
Karanovic & Partners advised Nutanix, Inc., a leader in enterprise cloud computing from the U.S., on its USD 165 million acquisition of Mainframe2, Inc., also known as Frame, a Serbian-American start-up and a leader in cloud-based Windows desktop and application delivery. This landmark acquisition – the biggest and most valuable start-up transaction to involve Serbia, was closed on 24 August 2018.
With Wilson Sonsini Goodrich & Rosati – a leading U.S. law firm and renowned legal advisor to technology, life sciences, and growth enterprises worldwide, acting as lead counsel, Karanovic & Partners advised the buyer, Nutanix, in this transaction.
The Karanovic & Partners legal team, led by Senior Partner Miloš Vučković and Partner ⃰ Goran Radošević, with the assistance of the firm's Employment and Tax teams – headed by Milena Jakšić Papac and Branimir Rajšić, respectively, advised on all Serbian law aspects of the transaction.
The U.S. based Nutanix is a global leader in cloud software and hyperconverged infrastructure solutions, making infrastructure invisible, so that the IT can focus on applications and services that power their business.
Frame was founded as a cloud workstation platform, providing desktop applications as a service. It was founded in 2012 in the US, by the Serbian IT entrepreneur, Nikola Božinović, and has a subsidiary in Serbia with offices in both Niš and Belgrade.
⃰ Independent attorney at law in cooperation with Karanović & Nikolić.
Mixed-Use Hotels: Montenegro takes a Step Forward in Luxury Hotel Development
Student Workshop: The Law School for Startups
Goran Radošević
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Karanovic & Partners Participated in the Business Combination of TeleSign and North Atlantic Acquisition Corporation SPAC
Another Amendment to the Company Law
acquisitionapplicationcloudFrameMainframe2NutanixWindows


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Life-style interventions for preschool young children can improve lengthy-term cardiovascular health position
Employing university-primarily based plans aimed at training nutritious cardiovascular health and fitness behaviors as early as preschool can realize lasting life style variations in little ones, according to a evaluate revealed currently in the Journal of the American University of Cardiology.
Preceding research have discovered that unhealthy way of living behaviors these as a nutritionally very poor diet program, sedentary life style and using tobacco, all of which contribute to cardiovascular ailment possibility, are widespread among small children and adolescents. More exploration has also located a marriage among inadequate cardiovascular overall health in childhood and very poor cardiometabolic health and fitness in grownups.
The SI! Plan (Salud Integral – Thorough Wellbeing) was formulated as a multilevel and multicomponent faculty-based mostly application for the advertising of cardiovascular well being and attaining long lasting way of life improvements in kids from preschool age. It was carried out in three international locations from calendar year 2009 onwards."
Valentin Fuster, MD, PhD, normal director at Centro Nacional de Investigaciones Cardiovasculares (CNIC), director of Mount Sinai Coronary heart and principal investigator of the undertaking
"The college ecosystem is a good area to introduce way of living interventions, for the reason that little ones are paying out so a lot of their time there," stated Rodrigo Fernández-Jiménez, MD, PhD, team leader of the cardiovascular health and fitness and imaging lab at CNIC and creator on the examine. "There are certain instances in a child's daily life when advancements can be designed to enrich extended-expression cardiovascular overall health position. Our overview, and former research, counsel that 4-5 yrs of age is the most favorable time to start out a faculty-centered intervention concentrated on wholesome practices."
The authors reviewed the 10-calendar year effects of the SI! System, which provided extra than 3,800 young children, aged 3-5 years, from 50 schools throughout Colombia, Spain and the U.S. Young children were assessed on how their information, attitudes and habits altered towards a healthful way of life. People who acquired the method showed a sizeable maximize in information, attitudes and behavior immediately after the implementation of a four-month overall health advertising plan.
To examine the achievements of the program, assessment instruments were being tailored to the maturation of the kids. Questionnaires involved basic photos and ended up modified to the sociocultural contexts of every state by applying names and pics of local meals, pics of regional playgrounds and photos reflecting ethnic variety. In contrast to kids who obtained significantly less than 50% of the system, little ones who received more than 75% of the plan were being identified to have a substantial modify from baseline in overall information, attitudes and behavior.
To review the lessons learned from the SI! Software, the authors looked at dissemination (conveying details about the system to the college), adoption (the selection by the faculty to consider the program), implementation (executing the health and fitness intervention proficiently), analysis (assessing how nicely the system attained its ambitions) and institutionalization (prolonged-expression incorporation of the software).
Most preschool interventions concentrate solely on bodily action and eating plan. The SI! System breaks down cardiovascular health and fitness into four components. By the very first two components, little ones are understanding how a very well-balanced diet regime and bodily lively lifetime are immediately connected to a healthful coronary heart. Future, they learn about emotion management, which seeks to instill habits mechanisms versus substance abuse – mostly smoking – and dietary conclusions later in lifestyle. Finally, the little ones are taught about how the human body is effective and how it is influenced by habits and life-style."
Gloria Santos-Beneit, PhD, scientific coordinator, SHE-la Caixa Foundation and direct author of the examine
In order to accommodate the studying variations of preschool-aged little ones, the SI! Program utilised a coronary heart-formed mascot named "Cardio" to teach about the suggested wholesome behaviors, alongside with the Sesame Street character Dr. Ruster, a Muppet dependent on Dr. Fuster, to introduce and express messages and pursuits. Other supplies consist of video clip segments and printed supplies (a vibrant storybook, an interactive board game, flash playing cards and a teacher's guide). The activities and messages utilized were being tailor-made primarily based on the place in which the system was carried out, retaining in head cultural wellness beliefs or practices related to foodstuff, facilities allotted for physical activity, transportation procedures to college, foods supplied in faculty, well known tunes or tales, and neighborhood every day rituals and celebrations.
Some of the difficulties to be thought of in utilizing the program include spouse and children involvement, spouse and children socioeconomic status, the quantity of time focused to the method and extensive-time period adherence procedures.
"Further study is needed to establish precise socioeconomic standing factors that influence little one overall health and effectiveness of intervention in the prolonged time period, and the difficulty of sustainability or need for re-intervention," Fuster said. The SI! Method has expanded across the five boroughs of New York Metropolis as a result of the Kid's Health and Socioeconomic Implications (CHSEI) undertaking. "The assorted ethnic and socioeconomic backgrounds in New York Metropolis offer you a exceptional possibility to check out which socioeconomic aspects, at both the loved ones and borough level, might ultimately impact children's wellness, how they are implicated in the intervention's performance, and how they can be resolved to cut down the hole in wellness inequalities."
American College or university of Cardiology
Santos-Beneit, G., et al. (2022) Lessons Learned From 10 Yrs of Preschool Intervention for Health Marketing: JACC Condition-of-the-Art Review. Journal of the American Higher education of Cardiology. doi.org/10.1016/j.jacc.2021.10.046.
Health & Lifestylecardiovascular, children, health, Improve, Interventions, lengthyterm, lifestyle, position, preschool, young
Bipasha Basu makes leaping push-ups seem sleek in new exercise routine video clip | Health and fitness
Esports High School Soon To Open In Japan
cooking secret


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Czech archaeologists discover two graves of Romani concentration camp victims at Lety u Písku
The archaeological survey at Lety u Písku on 10 September 2019. (PHOTO: Tereza Heková, Romea.cz)
Archaeologists in the Czech Republic have found the burial sites of various individuals at Lety, where a concentration camp for Romani people functioned during the Second World War, uncovering one grave with the remains of an adult female prisoner who was not more than 40 years old at the time of her death and one grave that was probably for a newborn. Seven burial pits have been found altogether.
According to documentary sources, there were meant to have been 120 prisoners buried at that location, more than 70 of whom were children, and the burial site was said to be 400 meters square. The archaeological survey was completed last Tuesday.
Archaeologists reported on their findings to journalists and representatives of the Museum of Romani Culture, which wants to build a memorial to the Holocaust victims of Romani origin at the site of the former camp and open it by 2023. The survey has established the locations of the burial sites of the Lety camp victims.
Survey team leader Pavel Vařeka of the University of West Bohemia said they had exactly determined that what was once referred to as the "temporary" burial ground is indeed very near the existing granite memorial at Lety installed in the 1990s. "The most important thing is that after more than 70 years, we have managed to determine where the Lety camp prisoners are buried, and the significance is that relatives of the victims, not many of whom are still alive, are now finally able to know exactly where their loved ones were buried," Vařeka said at the press conference.
"For the first time in Europe, we have succeeded in detecting burial sites for the victims of the Nazi persecution of the Roma and Sinti," the survey team leader said. "In this respect, the Holocaust of the Roma is no longer an abstract concept, but we now have an actual, material, tangible record of the crimes that happened there."
Some remains are buried deep in the pits, while others were interred at more shallow depths, and the scientists found just graves containing individuals in this section of the burial site. "The mass graves, according to the documentation that has been preserved, should be on the other side, toward the northeast," Vařeka told the press.
"We have uncovered one burial site in which an adult female prisoner not more than 40 years old was interred; that grave is now covered and out of respect for the sacred nature of a grave site, at the request of the relatives and the survivors, we will not be showing you any of the remains," the team leader said. He added that the archaeologists had uncovered just a small sample section of the area, which nevertheless now makes it possible to more exactly reconstruct it in its entirety.
The archaeologists have uncovered one grave and identified seven burial pits, and in accordance with the wishes of the relatives and survivors they will not be exhuming or surveying those remains. The deceased will remain buried where they are.
Later this month the Museum will announce an architectural competition for the design of a new memorial to the Holocaust of the Roma at Lety. The results of the contest will be announced next year, when the demolition of the pig farm that overlaps the former camp is also planned.
The memorial should begin construction in 2021, and the Museum wants to open it in 2023. According to historians, from August 1942 to May 1943, 1 308 Romani children, men and women passed through the camp at Lety, 327 of whom died there and more than 500 of whom were deported to the Auschwitz death camp.
Just 600 Romani people returned to Bohemia and Moravia from the concentration camps after the war. According to experts, the Nazis murdered 90 % of the Roma of Bohemia and Moravia.
Some of the buildings of a 7.1 hectare pig farm were erected over part of the former concentration camp at Lety in 1972. Last year the Czech state bought the farm for CZK 450.8 million [EUR 17.4 million].
ČTK, translated by Gwendolyn Albert
Czech archaeological survey confirms human remains are located in the vicinity of current memorial to WWII-era concentration camp for Roma
Archaeological survey continues at site of former concentration camp for Roma in Czech Republic
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Czech archaeological samples yet to find exact location of mass grave at site of the Holocaust of the Roma
Czech Government releases funds to demolish pig farm on Romani genocide site, archaeological survey will happen
Czech MP loses re-election and immunity, police reopen case of his calling Lety a "non-existent, pseudo-concentration camp" for Roma
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Traditional commemorative ceremony dedicated to the Romani victims of Nazism will be held on Sunday, 1 August at Lety u Písku, Czech Republic
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Director of Jewish Museum in Prague responds to commentary by František Kostlán, says its remarks about him are "gossip"
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Sarah and Adam really just wanted to marry on their own terms, so an elopement it was! They flew from New Zealand to Vegas and on 16th April were married on the El Dorado Dry Lake Bed in Nevada.
Sarah wore a dress from Forever 21 and she did her own hair and make up. Adam dressed in Topman from head-to-toe. This wedding wasn't about buying lots of stuff or spending money, it was simply about them saying "We do".


Welcome to Rainwater! This new home community is located in the Award Winning School District 5 and is located in the Fastest Growing Area of the Upstate, just minutes from I-85, I-26, and Tyger River Park. Rainwater offers convenience to Greenville and Spartanburg with easy access to Greenville Spartanburg International Airport, Woodruff Road Area, plus the Downtown areas of Greenville, Greer and Spartanburg which feature Premier Dining, Shopping and Entertainment! Come experience open concept living in the amazing Coastal floorplan. The double door front entry leads into the grand foyer with sweeping views of the great room and its 11 ft. ceilings. The home features 3 bedrooms, 2 full baths and a powder room all on one level. The great room is complete with gas log fireplace, hardwood floors and access to the covered patio. The kitchen is designed for entertaining with a large granite peninsula, stainless steel appliances including a gas range and large double door pantry. The master bedroom is loaded with windows for natural light, a trey ceiling and a master bath with tile shower and garden tub. All full bathrooms feature raised height vanities with granite countertops. The second floor offers 2 very spacious bedrooms and a 3rd full bath. Over 2800 sqft in total for this home. Also includes the Home is Connected security and monitoring system. Come see this beautiful home! Prices and Options are subject to change without notice! Visit Rainwater today!