2002/09/02 by O. Morsch, Morsch, O., M. Cristiani +7
Physics and Astronomy · #Condensed Matter (cond-mat) #FOS: Physical sciences #cond-mat
paper · pdf · doi:10.48550/arxiv.cond-mat/0209024
6 pages, 5 figures; submitted to the Proceedings of the 11th Laser Physics Workshop, Bratislava 2002
arxiv created 2002/09/02 · arxiv updated 2009/11/30
We report experimental results on the dynamics and phase evolution of Bose-Einstein condensates in 1D optical lattices. The dynamical behaviour is studied by adiabatically loading the condensate into the lattice and subsequently switching off the magnetic trap. In this case, the condensate is free to expand inside the periodic structure of the optical lattice. The phase evolution of the condensate, on the other hand, can be studied by non-adiabatically switching on the periodic potential. We observe decays and revivals of the interference pattern after a time-of-flight.