Analytical expressions for the hydrodynamic excitation spectrum of Bose-Einstein condensates in axially anisotropic traps

被引：27
|
作者：
Ma, YL [1 ]
Chui, ST
机构：
[1] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
来源：
PHYSICAL REVIEW A | 2002年 / 65卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.65.053610
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By using decoupling and dimension reduction technologies in equations determing the eigenvalue, we solve analytically the coupled hydrodynamic equation for the eigenvalues of collective excitations and obtain analytical expressions for all modes of a Bose-Einstein condensate in anisotropic axially symmetric harmonic traps in the Thomas-Fermi limit.
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页数：6
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