Entanglement Dynamics of Two Spin Qubits in a Spin Environment with Nonuniform Coupling

被引：1
|
作者：
Guo, Yu [1 ]
Deng, Hong-Liang [2 ]
机构：
[1] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410004, Hunan, Peoples R China
[2] Huanggang Normal Univ, Coll Phys Sci & Technol, Huanggang 438000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2014年 / 53卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Entanglement dynamics; Time-dependent density-matrix renormalization group; Spin environment;
D O I：
10.1007/s10773-013-1944-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the entanglement dynamics of a two-spin-qubit system coupled to a spin environment with nonuniform coupling through using the time-dependent density-matrix renormalization group method. We show that the entanglement generation and decay depend on the number of environment spins, the coupling strength between the central spin system and the environment, and the initial state of the central spin system.
引用
收藏
页码：1459 / 1465
页数：7
相关论文
共 50 条
  • [1] Entanglement Dynamics of Two Spin Qubits in a Spin Environment with Nonuniform Coupling
    Yu Guo
    Hong-Liang Deng
    International Journal of Theoretical Physics, 2014, 53 : 1459 - 1465
  • [2] Quantum Entanglement and Discord Dynamics of two Noninteracting Spin Qubits in Two Independent Spin Baths
    Xu, Lan
    Wu, Guiping
    Yan, Lin
    INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS, 2017, 56 (03) : 874 - 886
  • [3] Quantum Entanglement and Discord Dynamics of two Noninteracting Spin Qubits in Two Independent Spin Baths
    Lan Xu
    Guiping Wu
    Lin Yan
    International Journal of Theoretical Physics, 2017, 56 : 874 - 886
  • [4] Entanglement dynamics of two qubits coupled by Heisenberg XY interaction under a nonuniform magnetic field in a spin bath
    Zhou Feng-Xue
    Zhang Li-Da
    Qi Yi-Hong
    Niu Yue-Ping
    Zhang Jing-Tao
    Gong Shang-Qing
    CHINESE PHYSICS B, 2011, 20 (08)
  • [5] Entanglement dynamics of two qubits coupled by Heisenberg XY interaction under a nonuniform magnetic field in a spin bath
    周凤雪
    张理达
    祁义红
    钮月萍
    张敬涛
    龚尚庆
    Chinese Physics B, 2011, (08) : 27 - 33
  • [6] Dynamics of two qubits in a spin bath with anisotropic XY coupling
    Jing, Jun
    Lu, Zhi-Guo
    PHYSICAL REVIEW B, 2007, 75 (17)
  • [7] Entanglement creation and storage in two qubits coupling to an anisotropic Heisenberg spin chain
    Zhang, Chunlei
    Zhu, Shiqun
    Ren, Jie
    PHYSICS LETTERS A, 2009, 373 (39) : 3522 - 3526
  • [8] Dynamics of two coupled semiconductor spin qubits in a noisy environment
    Das Sarma, S.
    Throckmorton, Robert E.
    Wu, Yang-Le
    PHYSICAL REVIEW B, 2016, 94 (04)
  • [9] The entanglement dynamics of interacting qubits embedded in a spin environment with Dzyaloshinsky-Moriya term
    You, W. L.
    Dong, Y. L.
    EUROPEAN PHYSICAL JOURNAL D, 2010, 57 (03): : 439 - 445
  • [10] The entanglement dynamics of interacting qubits embedded in a spin environment with Dzyaloshinsky-Moriya term
    W. L. You
    Y. L. Dong
    The European Physical Journal D, 2010, 57 : 439 - 445
12345