Suppression of Chaos in a Bose-Einstein Condensate Loaded into a Moving Optical Superlattice Potential

We have shown that the application of modulating the secondary lattice is an efficient route to suppressing the generation of chaotic traveling waves of a Bose-Einstein Condensate with attractive interatomic interaction loaded into a moving optical superlattiee consisting of two lattices. With the M...

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Bibliographic Details
Published in:Chinese physics letters 2010-04, Vol.27 (4), p.13-16, Article 040302
Main Author: 罗小兵 夏秀文 张晓斐
Format: Article
Language:English
Subjects:
Chaos theory
Condensates
Lattices
Melnikov方法
Optimization
Regularization
Retarding
Superlattices
Traveling waves
倍周期分岔
光学超晶格
抑制混沌
海浪发电
玻色爱因斯坦凝聚
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Summary:We have shown that the application of modulating the secondary lattice is an efficient route to suppressing the generation of chaotic traveling waves of a Bose-Einstein Condensate with attractive interatomic interaction loaded into a moving optical superlattiee consisting of two lattices. With the Melnikov method, we obtain the optimal value of the relative phase between the two lattice harmonics for the control of chaos. We also find that the regularization route as the potential depth of the secondary lattice is varied and fairly rich, including the period-doubling bifurcations.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/27/4/040302