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Quantum Entanglement and Geometric Phase of Two Moving Two-Level Atoms

机译:两个运动的两能级原子的量子纠缠和几何相位

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摘要

An important kind of interaction between two moving two-level atoms and a field mode, where the coupling parameter is taken to be time-dependent, is presented in this paper. Nonlocal correlations between the atoms and the field have been investigated by means of concurrence and von Neumann entropy in terms of the involved parameters of the system. The results show that the atomic motion plays an essential role in the evolution of system dynamics, its nonlocal correlations and geometric phase. Moreover, an interesting correlation between the entanglement and the geometric phase during the evolution was observed. The presented system can be very useful for generating and maintaining high amount of entanglement by means of controlling the parameters of atomic motion.
机译:本文提出了一种重要的相互作用形式,即两个移动的两能级原子与场模式之间的相互作用,其中耦合参数被视为与时间有关。原子和场之间的非局部相关性已经通过并发和冯·诺伊曼熵的方式研究了系统所涉及的参数。结果表明,原子运动在系统动力学,其非局部相关性和几何相位的演化中起着至关重要的作用。此外,观察到在进化过程中纠缠与几何相位之间的有趣关系。所提出的系统对于通过控制原子运动的参数来产生和维持大量的纠缠非常有用。

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  • 来源
    《Open Systems & Information Dynamics》 |2015年第3期|1550015.1-1550015.15|共15页
  • 作者

    S. Abdel-Khalek;

  • 作者单位

    Mathematics Department, Faculty of Science, Sohag University, 82524 Sohag, Egypt,Mathematics Department, Faculty of Science, Taif University, Taif, Saudi Arabia,The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, Miramare-Trieste, Italy;

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