Quantum Discord in The System of W-like States Atoms Interacting with Three Coupled Cavities Connected by Two Optical Fibers

QIU Chang-dong; LU Dao-ming

doi:10.3788/gzxb20154409.0927002

[1] ZENG K, FANG M F. Quantum entanglement in the system of two two-level atoms interacting with a single-mode vacuum field［J］. Chinese Physics, 2005, 14(10): 2009-2013.

[2] HILLERY M, ZUBAIR S. Entanglement conditions for two-mode states［J］. Physical Review Letters, 2006, 96: 050503.

[3] ZHANG B. Entanglement between two atoms in two distant cavities connected by an optical fiber beyond strong fiber-cavity coupling［J］. Optics Communications, 2010, 283(1): 196-199.

[4] GHOSE S, SINCLAIR N, DEBNATH S, et al. Tripartite entanglement versus tripartite nonlocality in three-qubit Greenberger-Horne-Zeilinger-Class states［J］. Physical Review Letters, 2009, 102: 250404.

[5] WU C, FANG M F. The entanglement of two moving atoms interacting with a single-mode field via a three-photon process［J］. Chinese Physics B, 2010, 19: 020309.

[6] AHARON B. Discord and quantum computational resources［J］. Physical Review A, 88: 022307.

[7] OLLIVIER H, ZUREK W H. Quantum discord: a measure of the quantumness of correlations［J］. Physical Review Letters, 2002, 88(1): 017901.

[8] WANG L C, SHEN J, YI X X. Discord under the influence of a quantum phase transition［J］. Chinese Physics B, 2011, 20: 050306.

[9] WANG B, XU Z Y, CHEN Z Q, et al. Non-Markovian effect on the quantum discord［J］. Physical Review A, 81(1): 014101.

[10] HE Zhi, LI Long-wu. Quantum correlation dynamics of two two-level atoms in common environment［J］. Acta Physica Sinica, 2013, 62(18): 180301.

[11] JIANG F J, LU H J, YAN X H, et al. A symmetric geometric measure and the dynamics of quantum discord［J］. Chinese Physics B, 2013, 22(4): 040303.

[12] PENG P, LI F L. Entangling two atoms in spatially separated cavities through both photon emission and absorption processes［J］. Physical Review A, 2007, 75: 062320.

[13] YE S Y, ZHONG Z R, ZHENG S B. Deterministic generation of three-dimensional entanglement for two atoms separately trapped in two optical cavities［J］. Physical Review A, 2008, 77: 014303.

[14] ZHENG S B, YANG Z B, XIA Y. Generation of two-mode squeezed states for two separated atomic ensembles via coupled cavities［J］. Physical Review A, 2010, 81: 015804.

[15] YIN Z Q, LI F L. Multiatom and resonant interaction scheme for quantum state transfer and logical gates between two remote cavities via an optical fiber［J］. Physical Review A, 2007, 75: 012324.

[16] DAKIC B, VEDRAL V, BRUKNER C. Necessary and sufficient condition for nonzero quantum discord［J］. Physical Review Letters, 2010, 105: 190502.

[17] LU Dao-ming. Entanglement properties in the system of three atoms trapped in three distant cavities connected by two optical fibers［J］. International Journal of Theoretical Physics, 2013, 52(9):3057-3065.