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2009 Volume 18 Issue 10
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Xu Qing-Jun, Zhang Shi-Ying. 2009: Entanglement evolution and transfer in a double Tavis-Cumming model in cavity QED, Chinese Physics B, 18(10): 4117-4121.
Citation: Xu Qing-Jun, Zhang Shi-Ying. 2009: Entanglement evolution and transfer in a double Tavis-Cumming model in cavity QED, Chinese Physics B, 18(10): 4117-4121.
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Entanglement evolution and transfer in a double Tavis-Cumming model in cavity QED

  • Department of Physics and Electronic Engineering, Zaozhuang University, Zaozhuang 277160, China

  • Available Online: 30/10/2009
  • We have studied entanglement evolution and transfer in a double Tavis-Cumming model where two pairs of entangled two-level atoms AB and CD interact with two single-mode cavity fields a and b. We show that the Bell-like initial state of atoms AB can exhibit entanglement sudden death which should be independent of the initial entanglement of atoms CD. Also, we show that the initial entanglement of one atomic pair can he transferred into another pair, as well as the possible subsystems, that become entangled during evolution.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Entanglement evolution and transfer in a double Tavis-Cumming model in cavity QED

  • Available Online: 30/10/2009

Abstract: We have studied entanglement evolution and transfer in a double Tavis-Cumming model where two pairs of entangled two-level atoms AB and CD interact with two single-mode cavity fields a and b. We show that the Bell-like initial state of atoms AB can exhibit entanglement sudden death which should be independent of the initial entanglement of atoms CD. Also, we show that the initial entanglement of one atomic pair can he transferred into another pair, as well as the possible subsystems, that become entangled during evolution.

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