[1] Nielsen M A, Chuang I L. Quantum Computation and Quantum Information ［M］. Cambridge: Cambridge University Press, 2000: 11-12.

[2] Herec J, Fiurá ek J, JR L M. Entanglement generation in continuously coupled parametric generators ［J］. Opt. B: Quantum Semiclass. Opt., 2003, 5: 419-426.

[6] Zheng S B, Guo G C. Efficient scheme for two-atom entanglement and quantum information processing in cavity QED ［J］. Phys. Rev. Lett., 2000, 85(11): 2392-2395.

[7] Zubairy M S, Kim M, Scully M O. Cavity-QED-based quantum phase gate ［J］. Phys. Rev. A, 2003, 68: 0033820.

[8] Yu T, Eberly J H. Finite-time disentanglement via spontaneous emission ［J］. Phys. Rev. Lett., 2004, 93: 140404.

[9] Ficek Z, Tanas R. Delayed sudden birth of entanglement ［J］. Phys. Rev. A, 2008, 77: 054301.

[10] Almeida M P, Melo F, et al. Environment-induced sudden death of entanglement ［J］. Science, 2007, 316: 579.

[11] Laurat J, Choi K S, et al. Heralded entanglement between atomic ensembles: preparation, decoherence, and scaling ［J］. Phys. Rev. Lett., 2007, 99: 180504.

[12] Y nac M, Yu T, Eberly J H. Pairwise concurrence dynamics: a four-qubit model ［J］. J. Phys. B: At. Mol. Opt. Phys., 2007, 40: S45-S59.

[13] Sainz I, Bj rk G. Entanglement invariant for the double Jaynes-Cummings model ［J］. Phys. Rev. A, 2007, 76(4): 042313.

[14] Cavalcanti D, Oliveira J G, et al. Entanglement versus energy in the entanglement transfer problem ［J］. Phys. Rev. A, 2006, 74(4): 042328.

[15] Cirac J I, Ekert A K, et al. Distributed quantum computation over noisy channels ［J］. Phys. Rev. A, 1999, 59: 4249.

[16] Ogden C D, Irish E K, Kim M S. Dynamics in a coupled-cavity array ［J］. Phys. Rev. A, 2008, 78: 063805.

[17] Wootters W K. Entanglement of formation of an arbitrary state of two qubits ［J］. Phys. Rev. Lett., 1998, 80(10): 2245-2248.

[18] Hill S, Wootters W K. Entanglement of a pair of quantum bits ［J］. Phys. Rev. Lett., 1997, 78(26): 5022-5025.