[1] [1] C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. K. Wootters, Phys. Rev. Lett. 70, 1895 (1993).

[2] [2] D. Bouwmeester, J. W. Pan, K. Mattle, M. Eibl, H. Weinfuter, and A. Zeilinger, Nature 390, 575 (1997).

[3] [3] M. Murao, D. Jonathan, M. B. Plenio, and V. Vedral, Phys. Rev. A 59, 156 (1999).

[4] [4] J. I. Cirac, A. Ekert, S. F. Huelga, and C. Macchiavello, Phys. Rev. A 59, 4294 (1999).

[5] [5] A. Chefles, C. R. Gilson, and S. M. Barnett, Phys. Rev. A 63, 032314 (2001).

[6] [6] C. H. Bennett, H. J. Bernstein, S. Popescu, and B. Schumacher, Phys. Rev. A. 53, 2046 (1996).

[7] [7] S. Bose, V. Vedral, and P. L. Knight, Phys. Rev. A 57, 822 (1998).

[8] [8] S. F. Huelga, J. A. Vaccaro, A. Chefles, and M. B. Plenio, Phys. Rev. A 63, 042303 (2001).

[9] [9] D. Gottesman and I. L. Chuang, Nature 402, 390 (1999).

[10] [10] L. Vaidman and N. Yoran, Phys. Rev. A 59, 116 (1999).

[11] [11] N. Lutkenhaus, J. Calsamiglia, and K.-A. Suominen, Phys. Rev. A 59, 3295 (1999).

[12] [12] J. Calsamiglia and N. Lutkenhaus, arXiv: quant-ph/0007058 (2000).

[13] [13] X. Zhou, D. W. Leung, and I. L. Chuang, Phys. Rev. A 62, 052316 (2000).

[14] [14] W.-L. Li, C.-F. Li, and G. C. Guo, Phys. Rev. A 61, 034301 (2000).

[15] [15] T. Mor and P. Horodecki, arXiv: quant-ph/9906039 (1999).

[16] [16] P. Agrawal and A. K. Pati, arXiv: quant-ph/0210004 (2002).

[17] [17] S. Bandyopadhyay, Phys. Rev. A 62, 012308 (2000).

[18] [18] M. A. Nielsen and I. L. Chuang, Quantum Computation and Quantum Information (Cambridge University Press, Cambridge, 2000) p.213.

[19] [19] C. H. Bennett, G. Brassard, S. Popescu, B. Schumacher, J. A. Smolin, and W. K. Wootters, Phys. Rev. Lett. 76, 722 (1996).

[20] [20] C. H. Bennett, D. P. DiVincenzo, J. A. Smolin, and W. K. Wootters, Phys. Rev. A 54, 3824 (1996).

[21] [21] H.-J. Briegel, W. Dur, J. I. Cirac, and P. Zoller, Phys. Rev. Lett. 81, 5932 (1998).

[22] [22] W. Dur, H. J. Briegel, J. I. Cirac, and P. Zoller, Phys. Rev. A 59, 169 (1999).