{"title":"链式量子网络上的量子相关性","authors":"Xiaofei Qi, Aihong Zhai, Lihua Yang","doi":"10.1088/1572-9494/ad3b7b","DOIUrl":null,"url":null,"abstract":"\n Quantum network concerns several independent entangled resources and can create strong quantum correlations by performing joint measurements on some observers. In this paper, we discuss an $n$-partite chain network with each two neighboring observers sharing an arbitrary Bell state and all intermediate observers performing some POVMs with parameter $\\lambda$. The expressions of all postmeasurement states between any two observers are obtained, and their quantifications of Bell nonlocality, EPR steering and entanglement with different ranges of $\\lambda$ are respectively detected and analysed.","PeriodicalId":508917,"journal":{"name":"Communications in Theoretical Physics","volume":"16 18","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Quantum correlations on chain-type quantum network\",\"authors\":\"Xiaofei Qi, Aihong Zhai, Lihua Yang\",\"doi\":\"10.1088/1572-9494/ad3b7b\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n Quantum network concerns several independent entangled resources and can create strong quantum correlations by performing joint measurements on some observers. In this paper, we discuss an $n$-partite chain network with each two neighboring observers sharing an arbitrary Bell state and all intermediate observers performing some POVMs with parameter $\\\\lambda$. The expressions of all postmeasurement states between any two observers are obtained, and their quantifications of Bell nonlocality, EPR steering and entanglement with different ranges of $\\\\lambda$ are respectively detected and analysed.\",\"PeriodicalId\":508917,\"journal\":{\"name\":\"Communications in Theoretical Physics\",\"volume\":\"16 18\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-04-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Communications in Theoretical Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1088/1572-9494/ad3b7b\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Communications in Theoretical Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/1572-9494/ad3b7b","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Quantum correlations on chain-type quantum network
Quantum network concerns several independent entangled resources and can create strong quantum correlations by performing joint measurements on some observers. In this paper, we discuss an $n$-partite chain network with each two neighboring observers sharing an arbitrary Bell state and all intermediate observers performing some POVMs with parameter $\lambda$. The expressions of all postmeasurement states between any two observers are obtained, and their quantifications of Bell nonlocality, EPR steering and entanglement with different ranges of $\lambda$ are respectively detected and analysed.
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