相位阻尼通道下初始纠缠对纠缠演化的影响

刘其功; 计新

doi:10.7498/aps.61.230303

摘要

研究了在非惯性系中相位阻尼通道下初始纠缠对纠缠演化的影响. 结果发现: 与振幅阻尼通道情况不同, 当态参数不同而初始纠缠相同时, 纠缠演化曲线重合. 当 Unruh 单粒子态包含左右成分时, 比只包含右成分时量子消相干现象更加严重, 较早地出现了纠缠死亡现象, 并且纠缠死亡时刻与初始纠缠无关.

关键词:

The influence of initial entanglement on entanglement evolution under phase damping channel in noninertial frame is investigated. Compared with the scenario of amplitude damping channel, when the state parameter α has different values with the same intial entanglement, the evolution curves are identical. When the Unruh single particle state has right and left components, there is more serious quantum decoherence than the case where the Unruh single particle state has only right component with the sudden death of entanglement taking place early, and the time of sudden death of entanglement is independent of initial entanglement.

Keywords:

作者及机构信息

刘其功,
计新

1.
延边大学理学院物理系, 延吉 133002

基金项目: 国家自然科学基金(批准号: 11064016, 61068001)资助的课题.

Authors and contacts

Liu Qi-Gong,
Ji Xin

1.
Department of Physics, College of Science, Yanbian University, Yanji 133002, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11064016, 61068001).

参考文献

[1]	Alsing P M, Milburn G J 2003 Phys. Rev. Lett. 91 180404
[2]	Fuentes-Schulier I, Mann R B 2005 Phys. Rev. Lett. 95 120404
[3]	Alsing P M, Fuentes-Schulier I, Mann R B , Tessier T E 2006 Phys. Rev. A 74 032326
[4]	Wang J, Jing J 2010 Phys. Rev. A 82 032324
[5]	Zhang W P, Deng J F, Jing J L 2012 J. Quant. Inform. Sci. 2 23
[6]	Brusche D E, Louko J, Martín-Martínez E, Dragan A, Fuentes I 2010 Phys. Rev. A 82 042332
[7]	Wang Y, Ji X 2012 J. Mod. Opt. 59 571
[8]	Breuer H P, Petruccine F 2002 The Theory of Open Quantum Systems (New York: Oxford University Press) pp373-380
[9]	Salles A, de melo F, Almeida M P, Hor-Meyll M, Walborn S P, Souto Ribeiro P H, Davidovich L 2008 Phys. Rev. A 78 022322
[10]	Wootters W K 1998 Phys. Rev. Lett. 80 2245
[11]	Coffman V, Kundo J, Wootters W K 2000 Phys. Rev. A 61 052306

施引文献

[1]	Alsing P M, Milburn G J 2003 Phys. Rev. Lett. 91 180404
[2]	Fuentes-Schulier I, Mann R B 2005 Phys. Rev. Lett. 95 120404
[3]	Alsing P M, Fuentes-Schulier I, Mann R B , Tessier T E 2006 Phys. Rev. A 74 032326
[4]	Wang J, Jing J 2010 Phys. Rev. A 82 032324
[5]	Zhang W P, Deng J F, Jing J L 2012 J. Quant. Inform. Sci. 2 23
[6]	Brusche D E, Louko J, Martín-Martínez E, Dragan A, Fuentes I 2010 Phys. Rev. A 82 042332
[7]	Wang Y, Ji X 2012 J. Mod. Opt. 59 571
[8]	Breuer H P, Petruccine F 2002 The Theory of Open Quantum Systems (New York: Oxford University Press) pp373-380
[9]	Salles A, de melo F, Almeida M P, Hor-Meyll M, Walborn S P, Souto Ribeiro P H, Davidovich L 2008 Phys. Rev. A 78 022322
[10]	Wootters W K 1998 Phys. Rev. Lett. 80 2245
[11]	Coffman V, Kundo J, Wootters W K 2000 Phys. Rev. A 61 052306

姓名
邮箱
手机号码
标题
留言内容
验证码

搜索

留言板