Low-acceleration instability of a Bose-Einstein condensate in an optical lattice.
作者信息
Zheng Yi, Kostrun Marijan, Javanainen Juha
机构信息
Department of Physics, University of Connecticut, Storrs, CT 06269-3046, USA.
出版信息
Phys Rev Lett. 2004 Dec 3;93(23):230401. doi: 10.1103/PhysRevLett.93.230401. Epub 2004 Nov 30.
Abstract
We study a Bose-Einstein condensate in a one-dimensional accelerated optical lattice using the mean-field version of the Bose-Hubbard model. Reminiscent of recent experiments [M. Cristiani et al., Opt. Express 12, 4 (2004)], we find a new type of an instability in this system that occurs in the limit when the acceleration is small.
摘要
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