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We study the entanglement dynamics of the system composed of two two-level atoms resonantly interacting with two coupled cavities. The evolutions of atom-atom entanglement, cavity-cavity entanglement and atom-cavity entanglement are investigated. The influence of coupling constant between cavities on entanglement property is discussed. The numerical results show that atom-atom entanglement property is strengthened while atom-cavity entanglement property and cavity-cavity entanglement property are weakened with the increasing of the coupling constant between cavities.
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Keywords:
- quantum optics /
- two-level atom /
- coupling cavities /
- quantum entanglement
[1] Zheng S B, Guo G C 2000 Phys. Rev. Lett. 85 2392
[2] Zheng S B 2001 Phys. Rev. Lett. 87 230404
[3] Vedral V, Plenio M B, Rippin M A, Knight P L 1997 Phys. Rev. Lett. 78 2275
[4] Wootters W K 1998 Phys. Rev. Lett. 80 2245
[5] Kim M S, Lee J Y, Ahn D 2002 Phys. Rev. A 65 040101
[6] Shan C J, Xia Y J 2006 Acta Phys. Sin. 55 1585 (in Chinese)[单传家、夏云杰 2006 物理学报 55 1585]
[7] Zhang Y J, Zhou Y, Xia Y J 2008 Acta Phys. Sin.57 21 (in Chinese)[张英杰、周 原、夏云杰 2008 物理学报 57 21]
[8] Zhan Z M, Yang W X, Li J H 2004 Chin. Phys. Lett. 21 846
[9] Yang Z B 2007 Chin. Phys. 16 329
[10] Zhang J S, Xu J B 2009 Optics Communications 282 3652
[11] Cardoso W B, Avelar A T, Baseia B, Almeida N G 2009 J. Phys. B: At.Mol. Opt. Phys. 42 195507
[12] Ogden C D, Irish E K, Kim M S 2008 Phys. Rev. A 78 063805
[13] Hartmann M J, Brandao F G S L, Plenio M B 2007 Phys.Rev.Lett. 99 160501
[14] Zheng S B, Yang C P, Nori F 2010 Phys. Rev. A 82 042327
[15] Zheng S B 2010 Chin. Phys. B 19 064204
[16] Zheng S B, Yang Z B, Xia Y 2010 Phys. Rev. A 81 015804
[17] Zou Y 2009 Chin. J. Quantum Eelectronics 26 69 (in Chinese)[邹 艳 2009 量子电子学报 26 69]
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[1] Zheng S B, Guo G C 2000 Phys. Rev. Lett. 85 2392
[2] Zheng S B 2001 Phys. Rev. Lett. 87 230404
[3] Vedral V, Plenio M B, Rippin M A, Knight P L 1997 Phys. Rev. Lett. 78 2275
[4] Wootters W K 1998 Phys. Rev. Lett. 80 2245
[5] Kim M S, Lee J Y, Ahn D 2002 Phys. Rev. A 65 040101
[6] Shan C J, Xia Y J 2006 Acta Phys. Sin. 55 1585 (in Chinese)[单传家、夏云杰 2006 物理学报 55 1585]
[7] Zhang Y J, Zhou Y, Xia Y J 2008 Acta Phys. Sin.57 21 (in Chinese)[张英杰、周 原、夏云杰 2008 物理学报 57 21]
[8] Zhan Z M, Yang W X, Li J H 2004 Chin. Phys. Lett. 21 846
[9] Yang Z B 2007 Chin. Phys. 16 329
[10] Zhang J S, Xu J B 2009 Optics Communications 282 3652
[11] Cardoso W B, Avelar A T, Baseia B, Almeida N G 2009 J. Phys. B: At.Mol. Opt. Phys. 42 195507
[12] Ogden C D, Irish E K, Kim M S 2008 Phys. Rev. A 78 063805
[13] Hartmann M J, Brandao F G S L, Plenio M B 2007 Phys.Rev.Lett. 99 160501
[14] Zheng S B, Yang C P, Nori F 2010 Phys. Rev. A 82 042327
[15] Zheng S B 2010 Chin. Phys. B 19 064204
[16] Zheng S B, Yang Z B, Xia Y 2010 Phys. Rev. A 81 015804
[17] Zou Y 2009 Chin. J. Quantum Eelectronics 26 69 (in Chinese)[邹 艳 2009 量子电子学报 26 69]
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