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Spin-star environment assisted entanglement generation in weakly coupled bipartite systems |
| Wang Gen-Fang (王艮芳), Lü Jian-Mei (吕建美), Wang Lin-Cheng (王林成) |
| School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China |
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Abstract We study the entanglement evolution in a weakly coupled bipartite system with a large energy level difference under the influence of spin-star environments. The subsystems can be coupled to a pure state or a thermal equilibrium state spin-star environment. Our results show that, in the case of the coupling strength being less than the energy level difference of the subsystems (weakly coupled), the spin-star environment can always be used to assist the entanglement generation of the bipartite system.
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Received: 11 August 2013
Revised: 16 October 2013
Accepted manuscript online:
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PACS:
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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03.65.Yz
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(Decoherence; open systems; quantum statistical methods)
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05.60.Gg
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(Quantum transport)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10905007 and 61078011) and the Fundamental Research Funds for the Central Universities, China (Grant No. DUT12LK28). |
Corresponding Authors:
Wang Lin-Cheng
E-mail: wanglc@dlut.edu.cn
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| About author: 03.67.Mn; 03.65.Yz; 05.60.Gg |
Cite this article:
Wang Gen-Fang (王艮芳), Lü Jian-Mei (吕建美), Wang Lin-Cheng (王林成) Spin-star environment assisted entanglement generation in weakly coupled bipartite systems 2014 Chin. Phys. B 23 050311
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| [1] |
Nielsen M A and Chuang I L 2000 Quantum Computation and Quantum Information (Cambridge: Cambridge University Press)
|
| [2] |
Wang Y H and Fang M F 2004 Chin. Phys. 13 1644
|
| [3] |
Zhou Q P, Fang M F, Liu X J, Chen X M, Wu Q and Xu H Z 2004 Chin. Phys. 13 1881
|
| [4] |
Yu T and Eberly J H 2009 Science 323 598
|
| [5] |
Yu T and Eberly J H 2004 Phys. Rev. Lett. 93 140404
|
| [6] |
Yu T and Eberly J H 2006 Phys. Rev. Lett. 97 140403
|
| [7] |
Breuer H P and Petruccione F 2002 The Theory of Open Quantum Systems (New York: Oxford University Press)
|
| [8] |
Plenio M B and Huelga S F 2002 Phys. Rev. A 88 197901
|
| [9] |
Yi X X, Zhou L, Yu C S and Song H S 2003 Phys. Rev. A 68 052304
|
| [10] |
Sinayskiy I, Marais A, Petruccione F and Ekert A 2012 Phys. Rev. Lett. 108 020602
|
| [11] |
Liao J Q, Huang J F, Kuang L M and Sun C P 2010 Phys. Rev. A 82 052109
|
| [12] |
Sarovar M, Ishizaki A, Fleming G R and Whaley K B 2010 Nat. Phys. 6 462
|
| [13] |
Caruso F, Chin A W, Datta A, Huelga S F and Plenio M B 2010 Phys. Rev. A 81 062346
|
| [14] |
Scholak T, Melo F, Wellens T, Mintert F and Buchleitner F 2011 Phys. Rev. E 83 021912
|
| [15] |
Cucchietti F M, Paz J P and Zurek W H 2005 Phys. Rev. A 72 052113
|
| [16] |
Hamdouni Y, Fannes M and Petruccione F 2006 Phys. Rev. B 73 245323
|
| [17] |
Wesenberg J and Molmer K 2002 Phys. Rev. A 65 062304
|
| [18] |
Wootters W K 1998 Phys. Rev. Lett. 80 2245
|
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