Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes
Zhu Jiang, Bian Cheng-Ling, Wang Hong-Chen
       

The momentum distributions of BEC in the splitting scheme (red solid lines) and the retro-reflected scheme (black bars) for the detuning Δ = 2 THz . The potential depth of the optical lattice is 40 E R .