  We have studied the nearest neighbor Heisenberg model with added
Dzyaloshinskii-Moriya interaction using Schwinger boson mean field theory
considering in-plane component as well as out-of-plane component. Motivated by
experimental result of Vesigniete that the ground state is in Q = 0 long range
order state, we first looked at the classical ground state of the model and
consider the mean field ansatz which mimics the classical ground state in the
large S limit. We have obtained the ground state phase diagram of this model
and calculated properties of different phases. We have also studied the above
model numerically using exact diagonalization up to a system size N = 30. We
have compared the obtained results from these two approaches. Our results are
in agreement with the experimental result of the Vesigniete.

Strongly Correlated Electrons