Non-zero quantum discord at finite temperature

来源 :中国科学：物理学、力学、天文学英文版 | 被引量 : 0次 | 上传用户：ck198

【摘要】

：

We investigate theoretically the quantum discord dynamics of a two-qubit composite system subject to a common finite-temperature reservoir by solving the Born-M

【作者】

：

YU XiangYang LI JianHong LI Xi

【机构】

：

StateKeyLaboratoryofOptoelectronicMaterialsandTechnologies

【出处】

：

中国科学：物理学、力学、天文学英文版

【发表日期】

：

2012年5期

【关键词】

：

量子比特有限温度非零元素和谐量子信息技术复合体系马尔可夫密度矩阵 quantum discord two-qubit finite-tempe

【基金项目】

：

supported by the National Basic Research Program of China (Grant No.2012CB921900),,the National Natural Science Foundation of China (Grant No.10574166),,the Guangdong Natural Science Foundation (Grant

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We investigate theoretically the quantum discord dynamics of a two-qubit composite system subject to a common finite-temperature reservoir by solving the Born-Markovian master equation analytically.The ultimate quantum discord,however,exhibits a relativel

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Non-zero quantum discord at finite temperature

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