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Wang Qiong; Liao Jie-Qiao; Zeng Hao-Sheng; Zeng, HS , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Hunan, Peoples R China
Quantum thermal discord in a two-spin-1/2 XXZ model
Source PublicationCHINESE PHYSICS B
KeywordEntanglement States Chain
AbstractWe study the quantum discord in a two-spin-1/2 XXZ model in thermal equilibrium at temperature T in the presence of an external magnetic field B. Special attention is paid to the dependence of quantum discord on the temperature T and magnetic field B. It is found that quantum thermal discord is more robust than concurrence against temperature, in the sense that quantum thermal discord does not vanish at finite temperatures, but concurrence vanishes completely at a critical temperature.
2010
ISSN1674-1056
Volume19Issue:10Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Fundamental Research Program of China[2007CB925204]; National Natural Science Foundation of China[10775048]; Chinese Ministry of Education[206103]; National Key Discipline ; National Fundamental Research Program of China[2007CB925204]; National Natural Science Foundation of China[10775048]; Chinese Ministry of Education[206103]; National Key Discipline ; National Fundamental Research Program of China[2007CB925204]; National Natural Science Foundation of China[10775048]; Chinese Ministry of Education[206103]; National Key Discipline ; National Fundamental Research Program of China[2007CB925204]; National Natural Science Foundation of China[10775048]; Chinese Ministry of Education[206103]; National Key Discipline
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5043
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZeng, HS , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Wang Qiong,Liao Jie-Qiao,Zeng Hao-Sheng,et al. Quantum thermal discord in a two-spin-1/2 XXZ model[J]. CHINESE PHYSICS B,2010,19(10):-.
APA Wang Qiong,Liao Jie-Qiao,Zeng Hao-Sheng,&Zeng, HS , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Hunan, Peoples R China.(2010).Quantum thermal discord in a two-spin-1/2 XXZ model.CHINESE PHYSICS B,19(10),-.
MLA Wang Qiong,et al."Quantum thermal discord in a two-spin-1/2 XXZ model".CHINESE PHYSICS B 19.10(2010):-.
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