Knowledge Management System of Institute of Theoretical Physics, CAS
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 | |
发表期刊 | EUROPEAN PHYSICAL JOURNAL D |
语种 | 英语 |
关键词 | Electromagnetically Induced Transparency Zero-point Energy Micromechanical Resonator Nanomechanical Resonator Quantum Communication Radiation-pressure Ground-state Micromirror Ensembles Pulses |
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. |
2011 | |
ISSN | 1434-6060 |
卷号 | 61期号:1页码:215-220 |
学科领域 | Physics |
收录类别 | SCI |
项目资助者 | 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 ; RGC of Hong Kong [HKU7051/06P, HKU7044/08P]; NFRP of China [10874091, 2006CB921205]; NSFC through ITP, CAS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/14447 |
专题 | SCI期刊论文 |
通讯作者 | Li, Y (reprint author), Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China. |
推荐引用方式 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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