The Collapse and Revival of Bell-nonlocaliy for Continuous Variables

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• 作者：Chang-Geng Liao (1)
  Chun Hu (2)
  Zhi-Kun Su (3)
  Shi-Wei Chen (1)
  
  1. Department of Electronic Engineering ; Fujian Polytechnic of Information Technology ; Fuzhou ; Fujian ; 350003 ; China
  2. Department of Physics ; Longyan University ; Longyan ; Fujian ; 364012 ; China
  3. Department of Physics ; Foshan University ; Foshan ; Guangdong ; 528000 ; China
  
• 关键词：Quantum nonlocality ; Pseudospin operator ; Continuous variable system
• 刊名：International Journal of Theoretical Physics
• 出版年：2015
• 出版时间：May 2015
• 年：2015
• 卷：54
• 期：5
• 页码：1408-1416
• 全文大小：713 KB
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Physics
  Quantum Physics
  Elementary Particles and Quantum Field Theory
  Mathematical and Computational Physics
  
• 出版者：Springer Netherlands
• ISSN：1572-9575

文摘

We study the quantum nonlocality dynamics of pair coherent states in the double Jaynes-Cummings model. It is shown that the Bell-inequality violation can be fully destroyed in a finite time and then recovered. The inequality violation can obtain better recovery when only one atom couples to either of the cavity fields. Besides, the correlation property of cavity fields is more feasible affected when the atom interacts resonantly with the second cavity field. The difference in the number of photons of the two modes may play an important role in the case of resonant interaciton especially.