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Li, Y; Wang, ZD; Sun, CP; Li, Y (reprint author), Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China.
Optically-driven cooling for collective atomic excitations
Source PublicationEUROPEAN PHYSICAL JOURNAL D
Language英语
KeywordElectromagnetically Induced Transparency Zero-point Energy Micromechanical Resonator Nanomechanical Resonator Quantum Communication Radiation-pressure Ground-state Micromirror Ensembles Pulses
AbstractWe 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.
2011
ISSN1434-6060
Volume61Issue:1Pages:215-220
Subject AreaPhysics
Indexed BySCI
Funding OrganizationRGC of Hong Kong [HKU7051/06P, HKU7044/08P]; NFRP of China [10874091, 2006CB921205]; NSFC through ITP, CAS ; RGC of Hong Kong [HKU7051/06P, HKU7044/08P]; NFRP of China [10874091, 2006CB921205]; NSFC through ITP, CAS ; RGC of Hong Kong [HKU7051/06P, HKU7044/08P]; NFRP of China [10874091, 2006CB921205]; NSFC through ITP, CAS ; RGC of Hong Kong [HKU7051/06P, HKU7044/08P]; NFRP of China [10874091, 2006CB921205]; NSFC through ITP, CAS
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14447
CollectionSCI期刊论文
Corresponding AuthorLi, Y (reprint author), Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China.
Recommended Citation
GB/T 7714
Li, Y,Wang, ZD,Sun, CP,et al. Optically-driven cooling for collective atomic excitations[J]. EUROPEAN PHYSICAL JOURNAL D,2011,61(1):215-220.
APA Li, Y,Wang, ZD,Sun, CP,&Li, Y .(2011).Optically-driven cooling for collective atomic excitations.EUROPEAN PHYSICAL JOURNAL D,61(1),215-220.
MLA Li, Y,et al."Optically-driven cooling for collective atomic excitations".EUROPEAN PHYSICAL JOURNAL D 61.1(2011):215-220.
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