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Protecting quantum correlations of the XXZ model by topological boundary conditions
Zeng, Shi-Ping1,2; Shi, Hai-Long1,2,6,7; Zhou, Xu1,2; Wang, Xiao-Hui2,3; Liu, Si-Yuan1,3,4; Hu, Ming-Liang5
2019-01-31
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume9Pages:8
AbstractThe differences between the XXZ model with topological and periodical boundary conditions were compared by studying their entanglement, quantum discord, and critical temperature above which the entanglement vanishes. It shows that the different boundary conditions mainly affect bipartite quantum correlations of the boundary spins rather than that of other spin pairs. The topological boundary spins can protect entanglement and discord against strong magnetic fields while the periodical boundary spins can protect them against nonuniform magnetic fields. Compared with the periodical XXZ model, the critical temperature is significantly improved for the topological XXZ model. The topological XXZ model also allows us to improve significantly its critical temperature by increasing the strength of magnetic field, which is not feasible for the periodical XXZ model. It is therefore more promising for preparing entangled states at high temperature in the topological XXZ model.
Funding OrganizationNSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT ; NSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT ; NSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT ; NSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT
DOI10.1038/s41598-018-37474-x
WOS KeywordENTANGLEMENT ; STATE
Language英语
Funding ProjectNSFC[11675129] ; NSFC[11475135] ; NSFC[11847306] ; NSFC[11705146] ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province[2017KCT-12] ; Major Basic Research Program of Natural Science of Shaanxi Province[2017ZDJC-32] ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province[2016KJXX-27] ; New Star Team of XUPT
Funding OrganizationNSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT ; NSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT ; NSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT ; NSFC ; NSFC ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Key Innovative Research Team of Quantum Many-body theory and Quantum Control in Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Major Basic Research Program of Natural Science of Shaanxi Province ; Double First-Class University Construction Project of Northwest University ; Double First-Class University Construction Project of Northwest University ; New Star Project of Science and Technology of Shaanxi Province ; New Star Project of Science and Technology of Shaanxi Province ; New Star Team of XUPT ; New Star Team of XUPT
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000457287000071
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.wipm.ac.cn/handle/112942/14385
Collection中国科学院武汉物理与数学研究所
Corresponding AuthorWang, Xiao-Hui
Affiliation1.Northwest Univ, Inst Modern Phys, Xian 710127, Shaanxi, Peoples R China
2.Northwest Univ, Sch Phys, Xian 710127, Shaanxi, Peoples R China
3.Shaanxi Key Lab Theoret Phys Frontiers, Xian 710127, Shaanxi, Peoples R China
4.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
5.Xian Univ Posts & Telecommun, Sch Sci, Xian 710121, Shaanxi, Peoples R China
6.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zeng, Shi-Ping,Shi, Hai-Long,Zhou, Xu,et al. Protecting quantum correlations of the XXZ model by topological boundary conditions[J]. SCIENTIFIC REPORTS,2019,9:8.
APA Zeng, Shi-Ping,Shi, Hai-Long,Zhou, Xu,Wang, Xiao-Hui,Liu, Si-Yuan,&Hu, Ming-Liang.(2019).Protecting quantum correlations of the XXZ model by topological boundary conditions.SCIENTIFIC REPORTS,9,8.
MLA Zeng, Shi-Ping,et al."Protecting quantum correlations of the XXZ model by topological boundary conditions".SCIENTIFIC REPORTS 9(2019):8.
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