The entanglement properties in the system of a two three-level atoms trapped in coupled cavities

Lu Dao-Ming

doi:10.7498/aps.61.030301

Abstract

We study the entanglement dynamics of the system composed of a Λ-type atom and a V-type atom resonantly interacting with two coupled cavities. The evolution of the state vector of the system is given. We investigate the evolutions of atom-atom entanglement, cavity-cavity entanglement, and atom-cavity entanglement by Negativity. The influences of cavity-cavity coupling coefficient on the entanglements are discussed. The results obtained by the numerical method show that the atom-atom entanglement is strengthened and the cavity-cavity entanglement is weakened with the increase of the cavity-cavity coupling coefficient.

Keywords:

Authors and contacts

Lu Dao-Ming

1.
Department of Electronic Engineering, Wuyi University, Wuyishan 354300, China
Funds: Project supported by the Natural Science Foundation of Fujian Province, China (Grant No. 2008J0217).

References

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Cited By

[1]	Turchette Q A, Hood C J, Lange W, Mabuchi H, Kimble H J 1995Phys. Rev. Lett. 75 4710
[2]	Hagley E, Maitre X, Nogues G, Wunderlich C, Brune M, RaimondJ M, Haroche S 1997 Phys. Rev. Lett. 79 1
[3]	Osnaghi S, Bertet P, Auffeves A, Maioli P, Brune M, Raimond JM, Haroche S 2001 Phys. Rev. Lett. 87 037902
[4]	Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, RaimondJ M, Haroche S 2000 Science 288 2024
[5]	Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, RaimondJ M, Haroche S 1999 Phys. Rev. Lett. 83 5166
[6]	Yang Z B 2007 Chin. Phys. 16 329
[7]	Nohama F K, Roversi J A 2007 J. Modern Opt. 54 1139
[8]	Ogden C D, Irish E K, Kim M S 2008 Phys. Rev. A 78 063805
[9]	Yang Z B, Xia Y, Zheng S B 2010 Opt. Commun. 283 3052
[10]	Akhtarshenas S J, Farsi M 2007 quant-ph/0702101V1
[11]	Lu D M 2011 Acta Phys. Sin. 60 090302 (in Chinese) [卢道明 2011 60 090302]

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Catalog

Vol. 61, Issue 3 - 2012-02-05

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