The Weak-Coupling of Bose-Einstein Condensates |
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| Authors: | ZHOU Xiao-Ji MA Zao-Yuan CHEN Xu-Zong WANG Yi-Qiu |
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| Institution: | 1. Department of Electronics, Peking University,
Beijing 100871, China
;2. Clarendon Laboratory, Atomic and Laser Department,
University of Oxford, OX1 3PU, UK |
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| Abstract: | The coherent characteristics of four trapped Bose-Einstein condensates (BEC) conjunct one by one in aring shape which is divided by two far off-resonant lasers, are studied. Four coupled Gross-Pitaevskii equations are usedto describe the dynamics of the system. Two kinds of self-trapping effects are discussed in the coupled BECs, and thephase diagrams for different initial conditions and different coupling strengths are discussed. This study can be used todetermine interaction parameters between atoms in BEC. |
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| Keywords: | Bose-Einstein condensate self-trapping phase diagram |
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