Quantum discord;
Quantum correlations;
Bipartite quantum states;
Optimization on manifolds;
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摘要:
Quantum discord is an effective measure of quantum correlation introduced by Olliver and Zurek. We evaluate analytically the quantum discord for a large family of non-X-states. Exact solutions of the quantum discord are obtained for four parametric spaces of non-X-states. Dynamic behavior of the quantum discord is also explored under the action of the Kraus operator.
机构:
Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
Shangrao Normal Univ, Dept Math & Comp, Shangrao 334001, Peoples R ChinaCapital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
Li, Bo
Wang, Zhi-Xi
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Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R ChinaCapital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
Wang, Zhi-Xi
Fei, Shao-Ming
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机构:
Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
Max Planck Inst Math Sci, D-04103 Leipzig, GermanyCapital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R China
机构:
Max Planck Institute for Mathematics in the Sciences
School of Mathematical Sciences Capital Normal UniversitySchool of Mathematical Sciences South China University of Technology
费少明
景乃桓
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School of Mathematical Sciences South China University of Technology
Department of Mathematics North Carolina State UniversitySchool of Mathematical Sciences South China University of Technology
景乃桓
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王志玺
李先清
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机构:
Max Planck Institute for Mathematics in the SciencesSchool of Mathematical Sciences South China University of Technology
机构:
S China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
Max Planck Inst Math Sci, D-04103 Leipzig, GermanyS China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
Xiao, Yunlong
Li, Tao
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机构:
Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R ChinaS China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
Li, Tao
Fei, Shao-Ming
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机构:
Max Planck Inst Math Sci, D-04103 Leipzig, Germany
Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R ChinaS China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
Fei, Shao-Ming
Jing, Naihuan
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S China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
N Carolina State Univ, Dept Math, Box 8205, Raleigh, NC 27695 USAS China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
Jing, Naihuan
Wang, Zhi-Xi
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机构:
Capital Normal Univ, Sch Math Sci, Beijing 100048, Peoples R ChinaS China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China
Wang, Zhi-Xi
Li-Jost, Xianqing
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机构:
Max Planck Inst Math Sci, D-04103 Leipzig, GermanyS China Univ Technol, Sch Math Sci, Guangzhou 510640, Guangdong, Peoples R China