双阱玻色-爱因斯坦凝聚态的混沌动力学。

Kalai Kumar Rajagopal, LongJun Cheng
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引用次数: 0

摘要

我们研究了受振荡耗散影响的双阱 BEC 系统的动力学。宏观模型是在均场近似中描述的,而由于大型储层波动而产生的噪声效应已被平均化为零。我们选择了一个简单的耗散记忆核来产生随时间变化的振荡耗散。我们通过数值计算得出的相空间和 Lyapunov 指数显示,随着驱动耗散振幅的增大,混沌的路径也会增强。
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Chaotic dynamics of a double-well Bose-Einstein condensate.
We study the dynamics of a double-well BEC system subjected to oscillating dissipation. The macroscopic model is described within the mean-field approximation while noise effect due large reservoir fluctuation has been averaged out to zero. We chose a simple dissipative memory kernel to produce a time-dependant oscillating dissipation. Our numerically calculated phase-space and Lyapunov exponents shows enhances route to chaos as one increases driven dissipations amplitude.
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