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题名: Finite-temperature excitations of an inhomogeneous trapped Bose gas with Feshbach resonances
作者: Yi, XX ;  Zhou, DL ;  Sun, CP ;  Zheng, WM
刊名: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
出版日期: 2000
卷号: 33, 期号:6, 页码:1193-1201
关键词: EINSTEIN CONDENSATION ;  ATTRACTIVE INTERACTIONS ;  ATOMIC GAS ;  COLLISIONS ;  LIGHT
学科分类: Physics
通讯作者: Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China
英文摘要: We derive and discuss the temperature dependence of the condensate and noncondensate density profile of a Bose-Einstein condensate gas with Feshbach resonance in a parabolic trap. These quantities are calculated self-consistently using the generalized Hartree-Fock-Bogoliubov (HFB) equations within the Bogoliubov approximation. At zero temperature, the HFB equation can be solved by means of a variation method that gives the low-excitation spectrum. Moreover, within the two-body collision theory, we estimate the relationship between the number of atoms in the condensate and the external magnetic field B. The result is in good agreement with data from recent experiments.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000086441100013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12995
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Yi, XX,Zhou, DL,Sun, CP,et al. Finite-temperature excitations of an inhomogeneous trapped Bose gas with Feshbach resonances[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2000,33(6):1193-1201.
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