Disentanglement of Qubit in Dephasing Model

被引：0
|
作者：
Yang Qing [2 ]
Yang Min [2 ]
Cao Zhuo-Liang [1 ]
机构：
[1] Hefei Teachers Coll, Dept Phys, Hefei 230061, Peoples R China
[2] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2009年 / 51卷 / 04期
基金：
中国国家自然科学基金;
关键词：
disentanglement; dephase; SUDDEN-DEATH; ENTANGLEMENT;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the entanglement evolution of two qubits that are initially in Werner state under the classical phase noise. We discuss the influence of mixture degree on disentanglement. It is showed that the more mixed the state, the shorter is the time of disentanglement.
引用
收藏
页码：627 / 630
页数：4
相关论文
共 50 条
  • [41] Effects of LA phonon on pure dephasing for exciton qubit
    Liu Yun-Fei
    Xiao Jing-lin
    ACTA PHYSICA SINICA, 2008, 57 (06) : 3324 - 3327
  • [42] Robustness and fragility of Markovian dynamics in a qubit dephasing channel
    Wudarski, Filip A.
    Petruccione, Francesco
    PHYSICAL REVIEW A, 2017, 95 (05)
  • [43] Disentanglement in a two-qubit system subjected to dissipation environments
    Ikram, Manzoor
    Li, Fu-li
    Zubairy, M. Suhail
    PHYSICAL REVIEW A, 2007, 75 (06):
  • [44] Tradeoff between leakage and dephasing errors in the fluxonium qubit
    Herrera-Marti, David A.
    Nazir, Ahsan
    Barrett, Sean D.
    PHYSICAL REVIEW B, 2013, 88 (09):
  • [45] An Immune Quantum Communication Model for Dephasing Noise Using Four-Qubit Cluster State
    Wang, Rui-jin
    Li, Dong-fen
    Qin, Zhi-guang
    INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS, 2016, 55 (01) : 609 - 616
  • [46] A scheme for direct detection of qubit-environment entanglement generated during qubit pure dephasing
    Rzepkowski, Bartosz
    Roszak, Katarzyna
    QUANTUM INFORMATION PROCESSING, 2021, 20 (01)
  • [47] Teleportation of single unknown qubit state using entanglement and disentanglement operations
    Wang, Zhongjie
    Zhang, Jingjing
    Tai, Qijia
    OPTIK, 2017, 143 : 205 - 210
  • [48] Decay of two-qubit correlation in correlated stochastic dephasing
    Ban, Masashi
    JOURNAL OF MODERN OPTICS, 2012, 59 (14) : 1209 - 1218
  • [49] The effect of dephasing on superadiabatic single-qubit rotation gates
    Mahmoud, Gharib Subhi
    Messikh, Azeddine
    4TH INTERNATIONAL CONFERENCE ON MATHEMATICAL APPLICATIONS IN ENGINEERING 2017 (ICMAE'17), 2018, 949
  • [50] Non-Markovian disentanglement dynamics of a two-qubit system
    Cao, Xiufeng
    Zheng, Hang
    PHYSICAL REVIEW A, 2008, 77 (02):
12345