【摘 要】
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We present two theorems on calculating the relative entropy of entanglement. Theorem 1 is an extension of Vedral and Plenios theorem (Phys. Rev. A 57 (1998) 16
【机 构】
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Laboratory of Quantum Communication and Quantum Computation and Department of Modern Physics,Univers
论文部分内容阅读
We present two theorems on calculating the relative entropy of entanglement. Theorem 1 is an extension of Vedral and Plenios theorem (Phys. Rev. A 57 (1998) 1619) for pure states, which is useful for calculating the relative entropy of entanglement for all pure states as well as for a class of mixed states. Theorem 2 gives the relative entropy of entanglement for any bipartite state whose tripartite purification has two separable reduced bipartite states.
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