Flat-phase loading of a Bose-Einstein condensate into an optical lattice

Shlomo E. Sklarz, Inbal Friedler, David J. Tannor, Yehuda B. Band, Carl J. Williams

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


The switching on of an optical lattice potential can divide a BEC into many individual pieces, where phase coherence is maintained across the whole condensate. However, because of a spatially dependent change in the density and thus the mean field per well site, one can end up with a quadratic phase dependence developing along the lattice direction if one does not load the lattice adiabatically. It is shown analytically and numerically that a cancellation of this effect is possible by appropriately adjusting the external trap.

Original languageEnglish
Article number053620
Pages (from-to)053620/1-053620/8
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number5
StatePublished - 1 Jan 2002


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