微扰法解复合势阱中玻色-爱因斯坦凝聚体基态(英文)Solving the Ground State of BEC in Composite Potential Trap with Perturbation Theory
赵勇,马青山,张军
摘要(Abstract):
使用微扰法计算由一维线性谐振子势和光晶格势叠加的复合势阱中的玻色-爱因斯坦凝聚体的基态.将系统的动能项作为微扰项,研究了动能项对凝聚体基态能量的粒子数几率密度分布的影响,以及复合势阱对几率密度分布的影响.得出微扰法计算凝聚体基态的具体适用范围.
关键词(KeyWords): 微扰;玻色-爱因斯坦凝聚;光晶格
基金项目(Foundation):
作者(Author): 赵勇,马青山,张军
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