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Quantum thermal discord in a two-spin-1/2 XXZ model
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
发表期刊CHINESE PHYSICS B
ISSN1674-1056
卷号19期号:10页码:-
摘要We 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.
部门归属[Wang, QO; Zeng, HS] Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Hunan, Peoples R China; [Wang, QO; Zeng, HS] Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China; [Liao, JQ] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Entanglement States Chain
学科领域Physics
资助者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 ; 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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资助者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 ; National Fundamental Research Program of China[2007CB925204]; National Natural Science Foundation of China[10775048]; Chinese Ministry of Education[206103]; National Key Discipline
WOS记录号WOS:000282923600016
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5043
专题理论物理所1978-2010年知识产出
通讯作者Zeng, HS , Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Hunan, Peoples R China
推荐引用方式
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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