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Partial Hermitian Conjugate Separability Criteria for Pure Quantum States |
| ZHAO Xin1, WU Hua1, LI Yan-Song1, LONG Gui-Lu 1,2 |
| 1Key Laboratory for Atomic and Molecular NanoSciences and Department of Physics, Tsinghua University, Beijing 1000842National Laboratory for Information Science and Technology, Tsinghua University, Beijing 100084 |
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| Cite this article: |
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ZHAO Xin, WU Hua, LI Yan-Song et al 2009 Chin. Phys. Lett. 26 060305 |
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Abstract We propose a criterion for the separability of quantum pure states using the concept of a partial Hermitian conjugate. It is equivalent to the usual positive partial transposition criteria, with a simple physical interpretation.
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| Keywords:
03.67.Hk
03.65.Ud
03.67.Dd
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Received: 07 March 2009
Published: 01 June 2009
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| PACS: |
03.67.Hk
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(Quantum communication)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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03.67.Dd
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(Quantum cryptography and communication security)
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