[1] Bennett C H, et al. Communication via one-and two-particle operators on Einstein-Podolsky-Rosen states ［J］. Phys. Rev. Lett., 1992, 69: 2881-2884.

[2] Nielsen M A, Chuang I L. Quantum Computation and Quantum Information ［M］. Cambridge: Cambridge University Press, 2000.

[3] Datta A, Flammia S T, Caves C M. Entanglement and the power of one qubit ［J］. Phys. Rev. A, 2005, 72: 042316.

[4] Datta A, Shaji A, Caves C M. Quantum discord and the power of one qubit ［J］. Phys. Rev. Lett., 2008, 100: 050502.

[5] Lanyon B P, Barbieri M, Almeida M P, et al. Experimental quantum computing without entanglement ［J］. Phys. Rev. Lett., 2008, 101: 200501.

[6] Ollivier H, Zurek W H. Quantum discord: A measure of the quantumness of correlations ［J］. Phys. Rev. Lett., 2001, 88: 017901.

[7] Zurek W H. Quantum discord and Maxwell’s demons ［J］. Phys. Rev. A, 2003, 67: 012320.

[8] Henderson L, Vedral V. Classical quantum and total correlations ［J］. J. Phys. A, 2001, 34: 6899.

[9] Dillenschneider R, Lutz E. Energetics of quantum correlations ［J］. Euro. Phys. Lett., 2009, 88: 50003.

[10] Dillenschneider R. Quantum discord and quantum phase transition in spin chains ［J］. Phys. Rev. B, 2008, 78: 224413.

[11] Sarandy M S. Classical correlation and quantum discord in critical systems ［J］. Phys. Rev. A, 2009, 80: 022108.

[12] Zurek W H. Decoherence, einselection, and the quantum origins of the classical ［J］. Rev. Mod. Phys., 2003, 75: 715.

[13] Bellomo B, Rranco R L, Compagno G. Non-Markovian effects on the dynamics of entanglement ［J］. Phys. Rev. Lett., 2007, 99: 160502.

[14] Bellomo B, Franco R L, Compagno G. Entanglement dynamics of two independent qubits in environments with and without memory ［J］. Phys. Rev. A, 2008, 77: 032342.

[15] Bellomo B, Franco R L, Giuseppe C. Entanglement trapping in structured environments ［J］. Phys. Rev. A, 2008, 78: 062309.

[16] Bellomo B, Franco R L, Maniscalco S, et al. Entanglement trapping in structured environments ［J］. Phys. Rev. A, 2008, 78: 060302(R).

[17] Wang B, Xu Z Y, Chen Z Q, et al. Non-Markovian effect on the quantum discord ［J］. Phy. Rev. A, 2010, 81: 014101.

[18] Mazzola L, Piilo J, Maniscalco S. Sudden transition between classical and quantum decoherence ［J］. Phys. Rev. Lett., 2010, 104: 200401.

[19] Fanchini F F, Werlang T, Brasil C A, et al. Non-Markovian dynamics of quantum discord ［J］. Phys. Rev. A, 2010, 81: 052107.

[20] Yu T, Eberly J H. Finite-time disentanglement via spontaneous emission ［J］. Phys. Rev. Lett., 2004, 93: 140404.

[21] Yu T, Eberly J H. Sudden death of entanglement ［J］. Science, 2009, 323: 598.

[22] Lombardo F C, Villar P I. Environmentally induced effects on a bipartite two-level system: Geometric phase and entanglement properties ［J］. Phys. Rev. A, 2010, 81: 022115.

[23] Hu X, Sarma S D. Hilbert-space structure of a solid-state quantum computer: Two-electron states of a double-quantum-dot artificial molecule ［J］. Phys. Rev. A, 2000, 61: 062301.

[24] Hu X, Sousa R d, Sarma S D. Interplay between Zeeman coupling and swap action in spin-based quantum computer models: Error correction in inhomogeneous magnetic fields ［J］. Phys. Rev. Lett., 2001, 86: 918-921.

[25] Makhlin Y, Sch n G, Shnirman A. Quantum-state engineering with Josephson-junction devices ［J］. Rev. Mod. Phys., 2001, 73: 357.

[28] Werlang T, Rigolin G. Thermal and magnetic quantum discord in Heisenberg models ［J］. Phys. Rev. A, 2010, 81: 044101.

[29] Wang Q, Liao J Q, Zeng H S. General: quantum thermal discord in a two-spin-1/2 XXZ model ［J］. Chin. Phys. B, 2010, 19: 100311.

[31] Ma X S. Thermal entanglemment of a two-qutrit XX chain with Dzialoshinski-Moriya interaction ［J］. Opt. Commun., 2008, 218: 484.

[33] Hill S, Wootters W K. Entanglement of a pair of quantum bits ［J］. Phys. Rev. Lett., 1997, 78: 5022.