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Finite-temperature excitations of an inhomogeneous trapped Bose gas with Feshbach resonances
Yi, XX; Zhou, DL; Sun, CP; Zheng, WM; Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
ISSN0953-4075
卷号33期号:6页码:1193-1201
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.
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
关键词Einstein Condensation Attractive Interactions Atomic Gas Collisions Light
学科领域Physics
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收录类别SCI
WOS记录号WOS:000086441100013
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12995
专题理论物理所1978-2010年知识产出
通讯作者Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
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.
APA Yi, XX,Zhou, DL,Sun, CP,Zheng, WM,&Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Finite-temperature excitations of an inhomogeneous trapped Bose gas with Feshbach resonances.JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,33(6),1193-1201.
MLA Yi, XX,et al."Finite-temperature excitations of an inhomogeneous trapped Bose gas with Feshbach resonances".JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 33.6(2000):1193-1201.
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