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Li, Yong; Wang, Z. D.; Sun, C. P.; Li, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Quantum criticality in a generalized Dicke model
Source PublicationPHYSICAL REVIEW A
KeywordPhase-transitions Matter
AbstractWe employ a generalized Dicke model to study theoretically the quantum criticality of an extended two-level atomic ensemble interacting with a single-mode quantized light field. Effective Hamiltonians are derived and diagonalized to investigate numerically their eigenfrequencies for different quantum phases in the system. Based on the analysis of the eigenfrequencies, an intriguing quantum-phase transition from a normal phase to a superradiant phase is revealed clearly, which is quite different from that observed with a standard Dicke model.
2006
ISSN1050-2947
Volume74Issue:2Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5930
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, Yong,Wang, Z. D.,Sun, C. P.,et al. Quantum criticality in a generalized Dicke model[J]. PHYSICAL REVIEW A,2006,74(2):-.
APA Li, Yong,Wang, Z. D.,Sun, C. P.,&Li, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2006).Quantum criticality in a generalized Dicke model.PHYSICAL REVIEW A,74(2),-.
MLA Li, Yong,et al."Quantum criticality in a generalized Dicke model".PHYSICAL REVIEW A 74.2(2006):-.
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