Non-adiabatic loading of a Bose-Einstein condensate into the ground state of an optical lattice

Details Non-adiabatic loading of a Bose-Einstein condensate into the ground state of an optical lattice Non-adiabatic loading of a Bose-Einstein condensate into the ground state of an optical lattice

2003-05-09

arxiv.org/abs/cond-mat/0305200v2

Physics

Condensed Matter

4 pages, 3 figures, minor changes as per referees' suggestions, to appear in Phys. Rev. A (Rapid)

Scientific paper

10.1103/PhysRevA.68.051601

We present a scheme for rapid loading of a Bose-Einstein condensate into a single Bloch state of a weak optical lattice at a quasi-momentum of q = hbar k. Rabi cycling of a Bose condensate between momentum states is modified by a phase shift applied to the lattice. With an appropriate choice of the magnitude and timing of the phase shift, we demonstrate nearly perfect loading of the lattice ground state, the signature of which is an abrupt halt to the Rabi cycling.

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