KMS Of Academy of mathematics and systems sciences, CAS
Detecting spin nonclassicality via average skew information | |
Dai, Hao1; Luo, Shunlong2,3 | |
2022-05-29 | |
发表期刊 | EUROPEAN PHYSICAL JOURNAL PLUS |
ISSN | 2190-5444 |
卷号 | 137期号:5页码:10 |
摘要 | Spin nonclassicality is the discrete analogue of the continuous variable optical nonclassicality, and may be regarded as a resource related to coherence or quantumness of states with respect to an overcomplete basis consisting of spin coherent states. It plays a significant role in some quantum information processing tasks such as quantum computation and quantum metrology. Detecting and quantifying spin nonclassicality, which are of both theoretical and experimental relevance, have attracted much attention in quantum information theory. In this work, by virtue of the Wigner-Yanase skew information and the resolution of identity induced by spin coherent states, we provide an information-theoretic approach to spin nonclassicality, elucidate its basic properties and illustrate it through some important and widely used spin states. In particular, we derive a convenient criterion for detecting spin nonclassicality and use it to certify spin nonclassicality for some prototypical states. |
DOI | 10.1140/epjp/s13360-022-02875-5 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Key R &D Program of China[2020YFA0712700] ; National Key R &D Program of China[2019QY0702] ; National Key R &D Program of China[2017YFA0303903] ; National Natural Science Foundation of China[11875317] ; National Natural Science Foundation of China[61833010] |
WOS研究方向 | Physics |
WOS类目 | Physics, Multidisciplinary |
WOS记录号 | WOS:000802132400001 |
出版者 | SPRINGER HEIDELBERG |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/61397 |
专题 | 应用数学研究所 |
通讯作者 | Luo, Shunlong |
作者单位 | 1.Tsinghua Univ, Ctr Quantum Informat, Inst Interdisciplinary Informat Sci, Beijing 100084, Peoples R China 2.Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China 3.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. Detecting spin nonclassicality via average skew information[J]. EUROPEAN PHYSICAL JOURNAL PLUS,2022,137(5):10. |
APA | Dai, Hao,&Luo, Shunlong.(2022).Detecting spin nonclassicality via average skew information.EUROPEAN PHYSICAL JOURNAL PLUS,137(5),10. |
MLA | Dai, Hao,et al."Detecting spin nonclassicality via average skew information".EUROPEAN PHYSICAL JOURNAL PLUS 137.5(2022):10. |
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