量子光学学报, 2005, 11 (4): 161, 网络出版: 2007-08-07  

驱动场作用下二分量BEC中原子数密度的演化

Time Evolution of the Condensate Density of Two-component Bose-Einstein Condensations with a Coupling Drive
作者单位
南昌大学近代物理研究所,江西,南昌,330047
摘要
运用数值模拟研究了二分量玻色-爱因斯坦凝聚体(BEC)原子数密度的动力学行为,讨论了驱动场耦合强度、不同分量间原子作用强度、射频场频率及同分量内原子作用强度对二分量原子数密度演化特性的影响.结果显示:原子数密度随时间近似作周期性振荡,其振荡的周期随驱动耦合场强度、不同分量原子间作用强度的增大而减小,随自耦合强度的增大而增大;射频场频率的变化并不显著改变原子数密度振荡的周期,但它的增大会和自耦合强度的增大一样导致原子密度振荡的振幅减小.
Abstract
参考文献

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刘志荣, 刘正东, 张丽英, 谢应茂. 驱动场作用下二分量BEC中原子数密度的演化[J]. 量子光学学报, 2005, 11(4): 161. 刘志荣, 刘正东, 张丽英, 谢应茂. Time Evolution of the Condensate Density of Two-component Bose-Einstein Condensations with a Coupling Drive[J]. Acta Sinica Quantum Optica, 2005, 11(4): 161.

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