[1] Nielsen M A and Chuang I L 2000 Quantum Computation
and Quantum Information (Cambridge: Cambridge University Press)

[2] Neumark M A and Akad I 1940 Nauk SSSR, Ser. Mat.
4 277

[3]Ahnert S E and Payne M C 2005 Phys. Rev. A 71
012330

[4]Ahnert S E and Payne M C 2004 Phys. Rev. A 69
012312

[5] Ahnert S E and Payne M C 2006 Phys. Rev. A 73
022333

[6] Chen P X, Bergou J A, Zhu S Y and Guo G C 2007 Phys.
Rev. A 76 060303

[7] Franke-Arnold S et al 2001 Phys. Rev. A 63
052301

[8] Huttner B et al 1996 Phys. Rev. A 54 3783

[9] Clarke R B M, Chefles A, Barnett S M, and Riis E 2001
Phys.Rev. A 63 040305(R)

[10] Clarke R B M et al 2001 Phys. Rev. A 64
012303

[11] Mohseni M, Steinberg A M and Bergou J A 2004 Phys.
Rev. Lett. 93 200403

[12]C. Monroe 2002 Nature 416 238

[13]Barenco A, Deutsch D and Ekert A 1995 Phys. Rev.
Lett. 74 4083

[14]Guo G P et al 2002 Phys. Rev. A 65 042102

[15]Shu J et al 2007 Phys. Rev. A 75 044302

[16] Zhou Y L, Yang L J and Dai H Y 2007 Chin. Phys.
Lett. 24 3304

[17] Sleator T, and Weinfuture H 1995 Phys. Rev. Lett.
74 4087

[18] Huttner B et al 1996 Phys. Rev. A 54 3783

[19] Brune M et al 1996 Phys. Rev. Lett. 77 4887

[20] Song K H and Zhang W J 2001 Phys. Lett. A {\bf
290 214

[21] Rempe G, Schmidt-Kaler F and Walther H 1990 Phys.
Rev. Lett. 64 2783

[22] Rauschenbeutel A et al 1999 Phys. Rev. Lett. {\bf
83 5166