[1]Ekert A K, Quantum Cryptography Based on Bell's Theorem [J]. Phys. Rev. Lett. 67, 661 (1991). 
[2] Murao M, Jonathan D, Plenio M B, and Vedral V, Quantum telecloning and multiparticle entanglement [J]. Phys. Rev. A 59, 156 (1999)
 [3]Bennett C H, Brassard G, Crepeau C, Jozsa R, Pere A, and Wootters W K, Teleporting an Unknown Quantum State via Dual Classical and Einstein-Podolsky-Rosen Channels [J]. Phys. Rev. Lett. 70, 1895 (1993). 
[4] Cerf N J, and Adami C, Quantum extension of conditional probability [J]. Phys. Rev. Lett. 60, 893 (1999). 
[5]Horodecki R, Horodecki M, Information-theoretic aspects of inseparability of mixed states [J]. Phys. Rev. Lett. 54, 1838 (1996).
 [6] Nielsen M A, Kempe J, Separable States Are More Disordered Globally than Locally [J]. Phys. Rev. Lett. 86, 5184 (2001).
 [7] Unanyan G, Vitanov N V, and Bergmann K, Preparation of Entangled States by Adiabatic Passage [J]. Phys. Rev. Lett. 87, 137902 (2001).
 [8] Wootters W K, Entanglement of Formation of an Arbitrary State of Two Qubits [J]. Phys. Rev. Lett. 80, 2245 (1998).
 [9] Abragam A, The Principles of Nuclear Magnetism [M]. (Oxford University Press, London, 1961). 
[10]Slichter C P, Principles of Magnetic Resonance [M]. (Springer-Verlag, Berlin, 1990).