中国物理B ›› 2024, Vol. 33 ›› Issue (2): 20306-020306.doi: 10.1088/1674-1056/ad0bef

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Quantum synchronization with correlated baths

Lei Li(李磊)1,2,†, Chun-Hui Wang(王春辉)1, Hong-Hao Yin(尹洪浩)2, Ru-Quan Wang(王如泉)2,‡, and Wu-Ming Liu(刘伍明)2,§   

  1. 1 School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China;
    2 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 收稿日期:2023-07-18 修回日期:2023-11-08 接受日期:2023-11-13 出版日期:2024-01-16 发布日期:2024-01-29
  • 通讯作者: Lei Li, Ru-Quan Wang, Wu-Ming Liu E-mail:lilei@imu.edu.cn;ruquanwang@iphy.ac.cn;wmliu@iphy.ac.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 12147174 and 61835013) and the National Key Research and Development Program of China (Grant Nos. 2021YFA1400900, 2021YFA0718300, and 2021YFA1400243).

Quantum synchronization with correlated baths

Lei Li(李磊)1,2,†, Chun-Hui Wang(王春辉)1, Hong-Hao Yin(尹洪浩)2, Ru-Quan Wang(王如泉)2,‡, and Wu-Ming Liu(刘伍明)2,§   

  1. 1 School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China;
    2 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • Received:2023-07-18 Revised:2023-11-08 Accepted:2023-11-13 Online:2024-01-16 Published:2024-01-29
  • Contact: Lei Li, Ru-Quan Wang, Wu-Ming Liu E-mail:lilei@imu.edu.cn;ruquanwang@iphy.ac.cn;wmliu@iphy.ac.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 12147174 and 61835013) and the National Key Research and Development Program of China (Grant Nos. 2021YFA1400900, 2021YFA0718300, and 2021YFA1400243).

摘要: We study quantum synchronization under the nonequilibrium reservoirs. We consider a two-qubit XXZ chain coupled independently to their own reservoirs modeled by the collisional model. Two reservoir particles, initially prepared in a thermal state or a state with coherence, are correlated through a unitary transformation and afterward interact locally with the two quantum subsystems. We study the quantum effect of reservoir on synchronous dynamics of system. By preparing different reservoir initial states or manipulating the reservoir particles coupling and the temperature gradient, we find that quantum entanglement of reservoir is the key to control quantum synchronization of system qubits.

关键词: quantum synchronization, entanglement, quantum coherence, nonequilibrium reservoir

Abstract: We study quantum synchronization under the nonequilibrium reservoirs. We consider a two-qubit XXZ chain coupled independently to their own reservoirs modeled by the collisional model. Two reservoir particles, initially prepared in a thermal state or a state with coherence, are correlated through a unitary transformation and afterward interact locally with the two quantum subsystems. We study the quantum effect of reservoir on synchronous dynamics of system. By preparing different reservoir initial states or manipulating the reservoir particles coupling and the temperature gradient, we find that quantum entanglement of reservoir is the key to control quantum synchronization of system qubits.

Key words: quantum synchronization, entanglement, quantum coherence, nonequilibrium reservoir

中图分类号:  (Decoherence; open systems; quantum statistical methods)

  • 03.65.Yz
03.65.Ta (Foundations of quantum mechanics; measurement theory) 03.67.-a (Quantum information)