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Distillability of Sudden Death in Qutrit-Qutrit Systems under Global Mixed Noise |
| Bing-Bing Chai, Jin-Liang Guo** |
College of Physics and Materials Science, Tianjin Normal University, Tianjin 300387
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| Cite this article: |
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Bing-Bing Chai, Jin-Liang Guo 2019 Chin. Phys. Lett. 36 050303 |
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Abstract Considering the influences of collective dephasing, multilocal qutrit-flip, local qutrit-flip, and the combination of global mixed noise, we study the dynamics of entanglement and the phenomenon of distillability of sudden death (DSD) in a qutrit-qutrit system under various decoherent noises. It is shown that the system always undergoes DSD when it interacts with multilocal and local qutrit-flip noise, and the time-determined bound entangled state is more dependent on different noises. Comparing with the cases of global mixed and collective dephasing noise, we conclude that the qutrit-flip noise is responsible for the DSD.
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Received: 19 December 2018
Published: 17 April 2019
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| PACS: |
03.65.Yz
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(Decoherence; open systems; quantum statistical methods)
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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75.10.Pq
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(Spin chain models)
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| Fund: Supported by the Natural Science Foundation of China under Grant Nos 11305114, 11304226 and 11505126, and the Program for Innovative Research in University of Tianjin under Grant No TD13-5077. |
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