中国物理B ›› 2009, Vol. 18 ›› Issue (8): 3251-3257.doi: 10.1088/1674-1056/18/8/027

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Effects of intrinsic decoherence on the entanglement of a two-qutrit 1D optical lattice chain with nonlinear coupling

宋伟   

  1. Laboratory of Quantum Information Technology, Institute for Condensed Matter Physics, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
  • 收稿日期:2008-10-12 修回日期:2008-12-04 出版日期:2009-08-20 发布日期:2009-08-20

Effects of intrinsic decoherence on the entanglement of a two-qutrit 1D optical lattice chain with nonlinear coupling

Song Wei(宋伟)   

  1. Laboratory of Quantum Information Technology, Institute for Condensed Matter Physics, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
  • Received:2008-10-12 Revised:2008-12-04 Online:2009-08-20 Published:2009-08-20

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摘要： We have investigated the intrinsic decoherence on the entanglement of a two-qutrit one-dimensional (1D) optical lattice chain with nonlinear coupling. As a measure of the entanglement, the negativity of the system is calculated. It is shown that the influence of intrinsic decoherence on the entanglement varies in different initial systems.

Abstract: We have investigated the intrinsic decoherence on the entanglement of a two-qutrit one-dimensional (1D) optical lattice chain with nonlinear coupling. As a measure of the entanglement, the negativity of the system is calculated. It is shown that the influence of intrinsic decoherence on the entanglement varies in different initial systems.

Key words: optical lattice chain, intrinsic decoherence, entanglement dynamics

中图分类号:  (Entanglement and quantum nonlocality)

  • 03.65.Ud
03.65.Yz (Decoherence; open systems; quantum statistical methods) 03.67.Lx (Quantum computation architectures and implementations) 03.67.Mn (Entanglement measures, witnesses, and other characterizations) 42.50.Dv (Quantum state engineering and measurements)