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题名: Optically-driven cooling for collective atomic excitations
作者: Li, Y ;  Wang, ZD ;  Sun, CP
刊名: EUROPEAN PHYSICAL JOURNAL D
出版日期: 2011
卷号: 61, 期号:1, 页码:215-220
关键词: ELECTROMAGNETICALLY INDUCED TRANSPARENCY ;  ZERO-POINT ENERGY ;  MICROMECHANICAL RESONATOR ;  NANOMECHANICAL RESONATOR ;  QUANTUM COMMUNICATION ;  RADIATION-PRESSURE ;  GROUND-STATE ;  MICROMIRROR ;  ENSEMBLES ;  PULSES
学科分类: Physics
通讯作者: Li, Y (reprint author), Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China.
部门归属: [Li, Y.; Wang, Z. D.] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China; [Li, Y.; Wang, Z. D.] Univ Hong Kong, Ctr Theoret & Computat Phys, Hong Kong, Hong Kong, Peoples R China; [Sun, C. P.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We explore how to cool collective atomic excitations in an optically-driven three-level atomic ensemble, which may be described by a model of two coupled harmonic oscillators (HOs) with a time-dependent coupling. Moreover, the model of two coupled HOs is further generalized to address the resolved sideband cooling issues, where the lower-frequency HO can be cooled whenever the cooling process dominates over the heating one during the sideband transitions. Unusually, due to the absence of the heating process, the optimal result for cooling collective excitations in an atomic ensemble could break the standard resolved sideband cooling limit for general models of two coupled HOs.
资助者: RGC of Hong Kong [HKU7051/06P, HKU7044/08P]; NFRP of China [10874091, 2006CB921205]; NSFC through ITP, CAS
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000288550100025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14447
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Li, Y,Wang, ZD,Sun, CP. Optically-driven cooling for collective atomic excitations[J]. EUROPEAN PHYSICAL JOURNAL D,2011,61(1):215-220.
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