[1] Einstein A, Podolsky B and Rosen N 1935 Phys. Rev. 47
777

[2] Mermin N D 1990 Phys. Rev. Lett. 65 1838

[3] Huelaga S F, Macchiavello C, Pellizzari T et al 1997
Phys. Rev. Lett. 79 3865

[4] Ekert A K 1991 Phys. Rev. Lett. 67 661

[5] Bennett C H, Brassard G, Crepeau C et al 1993 Phys. Rev.
Lett. 70 1895

[6] Bennett C H and Wiesner S J 1992 Phys. Rev. Lett. 69
2881

[7] Bouwmeester D, Pan J W, Daniell M, Weinfurter H and Zeilinger A
1999 Phys. Rev. Lett. 82 1345

[8] Pan J W, Bouwmeester D, Daniell M, Weinfurter H and A. Zerlinger
2000 Nature 403 515

[9] Rauschenbeutel A, Nogues G, Osnaghi S, Bertet P, Brune M, Raimond J
M and Haroche S 2000 Science 288 2024

[10] Zheng S B 2001 Phys. Rev. Lett. 87 230404

[11] Wu Y, Payne M G, Hagley E W and Deng L 2004 Phys. Rev.
A 69 063803

[12] D\"ur W, Vidal G and Cirac J I 2000 Phys. Rev. A 62
062314

[13] Briegel H J and Raussendorf R 2001 Phys. Rev. Lett.
86 910

[14] Nielsen M A 2004 Phys. Rev. Lett. 93 040503

[15] Yang X and Wu Y 2005 J. Opt. B: Quantum
Semiclass. Opt. 7 54

[16] Wu Y and Yang X X 2006 Phys. Rev. D 73 067701

[17] Dong P, Xue Z Y, Yan M and Cao Z L 2006 Phys. Rev. A
73 033818

[18] Yang W X, Zhan Z M and Li J H 2005 Phys. Rev. A 72
062108

[19] Zhan Z M, Yang W X, Li W B and Li J H 2006 Chin. Phys. Lett.
23 1984

[20] Zou X B and Mathis W 2005 Phys. Rev. A 72 013809

[21] Zheng S B 2004 Chin. Phys. Lett. 21 1689

[22] Wu Y 1996 Phys. Rev. A 54 1586

[23] Wu Y and Yang X X 1997 Phys. Rev. A 56 2443

[24] Zheng S B 2001 Phys. Rev. Lett. 87 230404

[25] Zhan Z M, Yang W X and Li J H 2004 Chin. Phys. Lett.
21 846

[26] Dong P, Xue Z Y, Yang M and Cao Z L 2006 Phys. Rev. A
73 033818

[27] Osnaghi S et al 2000 Phys. Rev. Lett. 85 2392

[28] Zhou X J et al 2002 Chin. Phys. Lett. 19 1582