KMS Of Academy of mathematics and systems sciences, CAS
Information-theoretic approach to atomic spin nonclassicality | |
Dai, Hao; Luo, Shunlong1 | |
2019-12-12 | |
发表期刊 | PHYSICAL REVIEW A |
ISSN | 2469-9926 |
卷号 | 100期号:6页码:10 |
摘要 | Nonclassicality of light has been studied, both extensively and intensively, in terms of optical coherent states, and various quantifiers for nonclassicality of light have been introduced in recent decades. In contrast, the corresponding quantification issue for atomic spin systems is relatively less studied, though there has been some remarkable progress. In this paper, by virtue of the Wigner-Yanase skew information and working in the framework of atomic coherent states, we introduce a quantifier for nonclassicality of atomic spin states from an information-theoretic perspective and reveal its fundamental properties. This quantifier leads to a simple yet powerful criterion for detecting nonclassicality via convexity of the skew information. This criterion is sufficient, but not necessary. The concept is illustrated through several paradigms. We further elucidate some intrinsic relations between nonclassicality and entanglement and indicate that the nonclassicality quantifier may be transferred to an entanglement quantifier. |
DOI | 10.1103/PhysRevA.100.062114 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[11875317] ; National Center for Mathematics and Interdisciplinary Sciences, CAS[Y029152K51] |
WOS研究方向 | Optics ; Physics |
WOS类目 | Optics ; Physics, Atomic, Molecular & Chemical |
WOS记录号 | WOS:000502264400003 |
出版者 | AMER PHYSICAL SOC |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/50425 |
专题 | 应用数学研究所 |
通讯作者 | Luo, Shunlong |
作者单位 | 1.Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Dai, Hao,Luo, Shunlong. Information-theoretic approach to atomic spin nonclassicality[J]. PHYSICAL REVIEW A,2019,100(6):10. |
APA | Dai, Hao,&Luo, Shunlong.(2019).Information-theoretic approach to atomic spin nonclassicality.PHYSICAL REVIEW A,100(6),10. |
MLA | Dai, Hao,et al."Information-theoretic approach to atomic spin nonclassicality".PHYSICAL REVIEW A 100.6(2019):10. |
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