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题名: Dynamical properties of a trapped dipolar Fermi gas at finite temperature
作者: Zhang, JN ;  Qiu, RZ ;  He, L ;  Yi, S
刊名: PHYSICAL REVIEW A
出版日期: 2011
卷号: 83, 期号:5, 页码:53628
关键词: SUM-RULES
学科分类: Physics
通讯作者: Zhang, JN (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Zhang, J. -N.; Qiu, R. -Z.; Yi, S.] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [He, L.] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany
英文摘要: We investigate the dynamical properties of a trapped finite-temperature normal Fermi gas with dipole-dipole interaction. For the free-expansion dynamics, we show that the expanded gas always becomes stretched along the direction of the dipole moment. In addition, we present the temperature and interaction dependences of the asymptotic aspect ratio. We further study the collapse dynamics of the system by suddenly increasing the dipolar interaction strength. We show that, in contrast to the anisotropic collapse of a dipolar Bose-Einstein condensate, a dipolar Fermi gas always collapses isotropically when the system becomes globally unstable. We also explore the interaction and temperature dependences for the frequencies of the low-lying collective excitations.
资助者: NSFC [11025421, 10935010, 10974209]; Chinese Academy of Sciences
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000290940900003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14347
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Zhang, JN,Qiu, RZ,He, L,et al. Dynamical properties of a trapped dipolar Fermi gas at finite temperature[J]. PHYSICAL REVIEW A,2011,83(5):53628.
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