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题名: Supersymmetric response of a Bose-Fermi mixture to photoassociation
作者: Shi, T. ;  Yu, Yue ;  Sun, C. P.
刊名: PHYSICAL REVIEW A
出版日期: 2010
卷号: 81, 期号:1, 页码:-
关键词: ATOMS ;  GAS
学科分类: Physics
通讯作者: Shi, T , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
部门归属: [Shi, T; Yu, Y; Sun, CP] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We study supersymmetric (SUSY) responses to a photoassociation (PA) process in a mixture of Bose molecules b and Fermi atoms f which turn to mutual superpartners for a set of proper parameters. We consider the molecule b to be a bound state of the atom f and another Fermi atom F with different species. The b-f mixture and a free F atom gas are loaded in an optical lattice. The SUSY nature of the mixture can be signaled in the response to a photon-induced atom-molecule transition: While two new types of fermionic excitations, an individual b particle-f hole pair continuum and the Nambu-Goldstone-fermion-like (or "goldstino-like") collective mode, are concomitant for a generic b-f mixture, the former is completely suppressed in the SUSY b-f mixture and the zero-momentum mode of the latter approaches an exact eigenstate. This SUSY response can be detected by means of the spectroscopy method, for example, the PA spectrum which displays the molecular formation rate of Ff -> b.
资助者: National Natural Science Foundation of China; National Program for Basic Research of MOST of China; CAS
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000274001500013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5186
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:
Shi, T.,Yu, Yue,Sun, C. P.. Supersymmetric response of a Bose-Fermi mixture to photoassociation[J]. PHYSICAL REVIEW A,2010,81(1):-.
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