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The entanglement dynamics of the system composed of three two-level atoms resonantly interacting with three coupled cavities is investigated in this paper. The influence of coupling constant between cavities on the entanglement between atoms and that between cavities are discussed. The results obtained using the numerical method show that the entanglement between atoms has a nonlinear relation with increase of the cavity-cavity coupling coefficient. On the other hand, the entanglement between cavity A and cavity B and the entanglement between cavity B and cavity C weaken with the increase of the coupling constant between cavities, but the entanglement between cavity A and cavity C strengthens with the increase of cavity-cavity coupling coefficient.
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Keywords:
- quantum optics /
- two-level atom /
- coupling cavities /
- quantum entanglement
[1] Zheng S B 2003 Phys. Rev. A 68 035801
[2] Zuo X B, Pahlke K, Mathis W 2003 Phys. Rev. A 67 044301
[3] 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]
[4] Wu C Fang M F 2010 Chin. Phys. B 19 020309
[5] Lu D M 2011 Acta. Phys. Sin. 60 090302 (in Chinese) [卢道明 2011 物理学报 60 090302]
[6] Zheng S B, Guo G C2000 Phys. Rev. Lett. 85 2392
[7] Yang Z B 2007 Chin. Phys. 16 329
[8] Zheng S B, Yang Z B, Xia Y 2010 Phys. Rev. A 81 015804
[9] Yin Z Q, Li F L 2007 Phys. Rev. A 75 012324
[10] Zhang B 2010 Optics Communications 283 196
[11] Li Wen-An 2010 Optics Communications 283 2978
[12] Ogden C D, Irish E K, Kim M S 2008 Phys. Rev. A 78 063805
[13] Liao C G, Yang Z B, Luo C L 2011 Optics Communications 284 1920
[14] Hartmann M J, Brandao F G S L, Plenio M B 2007 Phys. Rev. Lett. 99 160501
[15] Zheng S B, Yang C P, Nori F 2010 Phys. Rev. A 82 042327
[16] Zhang Y Q, Hu Z D, Xu J B 2011 Int. J. Theor. Phys. 50 2438
[17] Pellizzari T 1997 Phys. Rev. Lett. 79 5242
[18] Ye S Y, Zhong Z R, Zheng S B 2008 Phys. Rev. A 77 014303
[19] Ciccarello F 2011 Phys. Rev. A 83 043802
[20] Song J, Sun X D, Xia Y 2011 Phys. Rev. A 83 052309
[21] Xiao X, Fang M F 2009 Chin. Phys. B 18 4695
[22] Lu D M 2011 Acta. Phys. Sin. 60 120303 (in Chinese) [卢道明 2011 物理学报 60 120303]
[23] 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 2003 Phys. Rev. A 68 035801
[2] Zuo X B, Pahlke K, Mathis W 2003 Phys. Rev. A 67 044301
[3] 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]
[4] Wu C Fang M F 2010 Chin. Phys. B 19 020309
[5] Lu D M 2011 Acta. Phys. Sin. 60 090302 (in Chinese) [卢道明 2011 物理学报 60 090302]
[6] Zheng S B, Guo G C2000 Phys. Rev. Lett. 85 2392
[7] Yang Z B 2007 Chin. Phys. 16 329
[8] Zheng S B, Yang Z B, Xia Y 2010 Phys. Rev. A 81 015804
[9] Yin Z Q, Li F L 2007 Phys. Rev. A 75 012324
[10] Zhang B 2010 Optics Communications 283 196
[11] Li Wen-An 2010 Optics Communications 283 2978
[12] Ogden C D, Irish E K, Kim M S 2008 Phys. Rev. A 78 063805
[13] Liao C G, Yang Z B, Luo C L 2011 Optics Communications 284 1920
[14] Hartmann M J, Brandao F G S L, Plenio M B 2007 Phys. Rev. Lett. 99 160501
[15] Zheng S B, Yang C P, Nori F 2010 Phys. Rev. A 82 042327
[16] Zhang Y Q, Hu Z D, Xu J B 2011 Int. J. Theor. Phys. 50 2438
[17] Pellizzari T 1997 Phys. Rev. Lett. 79 5242
[18] Ye S Y, Zhong Z R, Zheng S B 2008 Phys. Rev. A 77 014303
[19] Ciccarello F 2011 Phys. Rev. A 83 043802
[20] Song J, Sun X D, Xia Y 2011 Phys. Rev. A 83 052309
[21] Xiao X, Fang M F 2009 Chin. Phys. B 18 4695
[22] Lu D M 2011 Acta. Phys. Sin. 60 120303 (in Chinese) [卢道明 2011 物理学报 60 120303]
[23] 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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