一个考虑耗散效应的玻色_爱因斯坦凝聚的双势阱的经典模型

A Classical Double Well Model of the Damping Effect for the Bose-Einstein Condensates

在双势阱模型的基础上考虑了Josephson流与凝聚体的相互作用而引起的阻尼效应,及粒子之间的相互作用势能差而引起的保守力,及凝聚体耗散等因素,提出了一个经典模型,得出相对粒子数Z(t)的表达式,并分别讨论了Josephson振荡、自囚、阻尼摆、从自囚到Josephson振荡.

In this paper,we think of the damping effect made by the action between Josephson junction and condensate、the force caused by the action between condensates and condensates’ dissipation,and give a class model,and conclude the expression of the fractional population imbalance z（t）.we discuss Josephson oscillation,self-trapping,damped vibration and from self-trapping to a dissipative Josephson oscillation.