[1] [1] Ekert A K. Quantum cryptography based on Bell’s theorem [J]. Phys. Rev. Lett., 1991, 67: 661-663.

[2] [2] Murao M, Jonathan D, Plenio M B, et al. Quantum telecloning and multiparticle entanglement [J]. Phys. Rev. A, 1999, 59: 156-161.

[3] [3] Bennett C H, Brassard G, Crepeau C, et al. Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels [J]. Phys. Rev. Lett., 1993, 70: 1895-1899.

[4] [4] Cerf N J, Adami C. Quantum extension of conditional probability [J]. Phys. Rev. Lett., 1999, 60: 893-897.

[5] [5] Horodecki R, Horodecki M. Information-theoretic aspects of inseparability of mixed states [J]. Phys. Rev. Lett., 1996, 54: 1838-1843.

[6] [6] Nielsen M A, Kempe J. Separable states are more disordered globally than locally [J]. Phys. Rev. Lett., 2001, 86: 5184.

[7] [7] Unanyan G, Vitanov N V, Bergmann K. Preparation of entangled states by adiabatic passage [J]. Phys. Rev. Lett., 2001, 87: 137902-137905.

[8] [8] Wootters W K. Entanglement of formation of an arbitrary state of two qubits [J]. Phys. Rev. Lett., 1998, 80: 2245-2248.

[9] [9] Abragam A. The Principles of Nuclear Magnetism [M]. London: Oxford University Press, 1961.

[10] [10] Slichter C P. Principles of Magnetic Resonance [M]. Berlin: Springer-Verlag, 1990.