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Chinese Physics Letters

Self-Trapping of Two Bose-Einstein Condensates with a Coupling Drive

邱建国

Published Jan 1, 2006• 0 citations
OpenAlex

Abstract

我们在场有联合开车的人口不平衡 oftwo 部件 Bose 爱因斯坦冷凝物的一个近似分析答案。时间进化的依赖在收音机频率波浪之上自我套住联合在二冷凝物之间的频率，起始的原子数字和相对阶段的 Rabi 被调查。在冷凝物之间的更低的收音机频率波浪，一样的原子数字和起始的相对阶段对观察套住 theself 有益。

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Self-Trapping of Two Bose–Einstein Condensates with a Coupling Drive

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We present an approximate analytical solution to the population imbalance of two-component Bose–Einstein condensate with the coupling drive. The dependence of the time evolution of self-trapping upon the radio frequency wave, the Rabi coupling frequency, the initial atom number and relative phase between two condensates are investigated. The lower radio frequency wave, the same atom number and initial relative phase between condensates are beneficial to observe the self-trapping.

Chinese Physics Letters•May 30, 2006•1 citation
我们在场有联合开车的人口不平衡 oftwo 部件 Bose 爱因斯坦冷凝物的一个近似分析答案。时间进化的依赖在收音机频率波浪之上自我套住联合在二冷凝物之间的频率，起始的原子数字和相对阶段的 Rabi 被调查。在冷凝物之间的更低的收音机频率波浪，一样的原子数字和起始的相对阶段对观察套住 theself 有益。
We investigate the effect of an external periodic driving to the self-trapping transitions of two weakly coupled Bose-Einstein condensates in a double-well potential. It is shown that the self-trapping can be effectively controlled by modulating the double-well with a high frequency driving and thus renormalizing the transition parameters. In particular, an exact solution is constructed under the balance condition between the external field and the nonlinear interaction among particles, which allows one to precisely control theself-trapping states.