Effect of spin-orbit interaction on thermal entanglement in high-spin system with inhomogeneous magnetic field

Xue-min ZHANG; Meng QIN; Bi-li WANG; Cui-cui LIU

doi:10.3969/j.issn.1007-5461. 2014.01.011

[1] Einstein A, Podolsky B, Rosen N. Can quantum-mechanical description of physical reality be considered complete ［J］ Phys. Rev., 1935, 47: 777.

[4] Tzu Chiehwei, Dyutiman Das, Swagatam Mukhopadyay, et al. Global entanglement and quantum criticality in spin chains ［J］. Phys. Rev. A, 2005, 71: 060305.

[6] Li Yanchao, Li Shushen. Quantum critical phenomena in the XY spin chain with the Dzyaloshinski-Moriya interaction ［J］. Phys. Rev. A, 2009, 79: 032338.

[7] Horodecki R, Horodecki P, Horodecki M, et al. Quantum entanglement ［J］. Rev. Mod. Phys., 2009, 81: 865-942.

[8] Weinstein Y S. Tripartite entanglement witnesses and entanglement sudden death ［J］. Phys. Rev. A, 2009, 79: 012318-012324.

[9] Qin Meng, Bai Zhong, Li Yanbiao, et al. Thermal entanglement and teleportation in a two-qubit Heisenberg XXZ chain with different Dzyaloshinskii-Moriya interactions ［J］. Opt. Comm., 2011, 284(12): 3149-3153.

[10] Cao Min, Zhu Shiqun. Thermal entanglement between alternate qubits of a four-qubit Heisenberg XX chain in a magnetic field ［J］. Phys. Rev. A, 2005, 71: 034311.

[11] Qin Meng, Tian Dongping. Bipartite entanglement of a two qubit system with anisotropic couplings under nonuniform magnetic fields ［J］. Chinese Phys. B, 2009, 18(4): 1338-1341.

[12] Cao Min, et al. Effects of anisotropy on pair-wise entanglement of a four-qubit Heisenberg XXZ chain ［J］. Chinese Phys. Lett., 2006, 23: 2888.

[13] Zhang Rong, Zhu Shiqun. Thermal entanglement in a two-dimensional Heisenberg XY model ［J］. Phys. Lett. A, 2006, 348: 110-118.

[14] Zhu Yan, Zhu Shiqun, Hao Xiang. Entanglement in an anisotropic spin-1 Heisenberg chain ［J］. Chinese Physics B, 2007, 1(8): 2229-2236.

[15] Zhang Guofeng, Li Shushen. Entanglement in a spin-one chain ［J］. Solid State Communications, 2006, 138: 17.

[17] Zhang Guofeng. Thermal entanglement and teleportation in a two-qubit Heisenberg chain with Dzyaloshinski-Moriya anisotropic antisymmetric interaction ［J］. Phys. Rev. A, 2007, 75: 034304.

[18] Li Dachuang, Cao Zhuoliang. Entanglement in the anisotropic Heisenberg XYZ model with different Dzyaloshinskii-Moriya interaction and inhomogeneous magnetic field ［J］. Eur. Phys. J. D, 2008, 50: 207.

[19] Vidal G, Werner R F. Computable measure of entanglement ［J］. Phys. Rev. A, 2002, 65: 032314.

[20] Qin Meng, Li Yanbiao. Effect of spin-orbit interaction on entanglement of two-qutrit Heisenberg XYZ systems in an inhomogeneous magnetic field ［J］. Chinese Physics C, 2010, 34(4): 448-451.