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Entanglement evolution of three interacting twolevel atoms within a common environment

Feng Ling-Juan Xia Yun-Jie

Entanglement evolution of three interacting twolevel atoms within a common environment

Feng Ling-Juan, Xia Yun-Jie
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Publishing process
  • Received Date:  26 May 2014
  • Accepted Date:  02 September 2014
  • Published Online:  05 January 2015

Entanglement evolution of three interacting twolevel atoms within a common environment

  • 1. Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Department of Physics, Qufu Normal University, Qufu 273165, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 61178012, 11204156, 11304179, 11247240), the Natural Science Foundation of Shandong Province, China (Grant Nos. ZR2012FQ024, BS2013DX034), and the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant Nos. 20123705120002, 20133705110001).

Abstract: Entanglement dynamical evolution of three two-level atoms coupled to a common environment is investigated. We utilize the tripartite negativity to quantify entanglement and analyze the effect of the initial state, pairwise dipole-dipole interactions on the entanglement dynamical properties of the system by means of numerical calculations. Results show that a novel quantum interference can be controlled by the relative phase of initially entangled states of the atoms. And the excited-state population can be trapped in the long time limit. Besides, the tripartite entanglement can be enhanced by choosing the appropriate conditions.

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