[1] Bouwmeester D,Ekert A,Zeilinger A. The Physics of Quantum Information [M].Berlin: Springer-Verlag Heidelberg,2000 .

[2] Bennett C H,DiVincenzo D P,Smolin J A,et al. Mixed-state entanglement and quantum error correction [J].Phys. Rev. A,1996,54(5): 3824-3851.

[3] Hagley E,Maitre X,Nogues G,et al. Generation of einstein-podolsky-rosen pairs of atoms [J].Phys. Rev. Lett.,1997,79(1): 1-5.

[4] Bouwmeester D,Pan J W,et al. Observation of three-photon greenberger-horne-zeilinger entanglement [J].Phys.Rev. Lett.,1999,82(7): 1345-1349.

[5] Anderson M H,Enscher J R,Methews M R,et al. Observation of bose-einstein condensation in a dilute atomic vapor [J].Science,1995,269: 198-201.

[6] Davis K B,Mewes M O,Anderson M R,et al. Bose-einstein condensation in a gas of sodium atoms [J].Phys.Rev. Lett.,1995,75: 3969-3973.

[7] Bradley C C,Sacket C A,Tollent J J,et al,Evidence of bose-einstein condensation in an atomic gas with attractive interfactions [J].Phys. Rev. Lett.,1995,75: 1687-1691.

[8] Sorensen A,Duan L M,Cirac J I,et al. Many-particle entanglement with Bose-Einstein condensates [J].Nature,2001,409: 63-66.

[9] Kuang L M,Zhou L. Generation of atom-photon entangled states in atomic Bose-Einstein condensates [J].Phys.Rev. A,2003,68(4): 043606.

[10] Sorensen A S. Bogoliubov theory of entanglement in a Bose-Einstein condensate [J].Phys. Rev. A,2002,65(4):043610 .

[11] Kuang L M,Zhou L. Generation of atom-photon entangled states in atomic Bose-Einstein condensate via electromagnetically induced transparency [J].Phys. Rev. A,2003,68(4): 043606.

[12] Corney I F,Milburn G J. Homodyne measurements on a Bose-Einstein condensate [J].Phys. Rev. A,1998,58(3):2399-2406.

[13] Simon C. Natural entanglement in Bose-Einstein condensates [J].Phys. Rev. A,2002,66(5): 052323.

[14] Ng H T,et al.. Entanglement between atomic condensates in an optical lattice: effects of interaction range [J].Phys. Rev. A,2007,75(2): 023601.

[15] Fu L,Liu J. Quantum entanglement manifestation of transition to nonlinear self-trapping for Bose-Einstein condensates in a symmetric double well [J].Phys. Rev. A,2006,74(6): 063614.

[16] Liu J,Wang W,Zhang C,et al. Fidelity for the quantum evolution of a Bose-Einstein condensate [J].Phys. Rev.A,2005,72(6): 063623.

[18] Kuang L M,Zeng A H,Kuang Z H. Generation of entangled coherent states in Raman-Coupled Bose-Einstein condensates [J].Chin. Phys. Lett.,2004,21: 999-1002.

[19] Wang Chengzhi,Fang Maofa. Entanglement and decoherence in the interaction between two-mode squeezing vacuum state field and atom [J].Chin. Phys. Soc.,2002,51(9): 1989-1995(in Chinese).

[20] Rains E M. Bound on distillable entanglement [J].Phys. Rev. A,1999,60(1): 179-184.