Quantum Computing.
the period o. We are going to shift the phases of the factors of the superposition by all the multiples of the fundamental harmonic ν = 2π/L. Let’s define the complex number ω = cos ν + i sin ν The QFT is the unitary transformation U_QFT |s⟩ = 1/√L (|0⟩ + ω^s |1⟩ + ω^(2s) |2⟩ + … …+ω^(ts) |t⟩ + …