BECs Dynamics about Fluctuations in Three-Well Potential

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• 作者：P. L. Shu (1)
  X. L. Huang (2)
  
  1. Department of Physics ; LuLiang University ; LuLiang ; 033000 ; China
  2. School of Physics and Electronic Technology ; Liaoning Normal University ; Dalian ; 116029 ; China
  
• 关键词：Entanglement in Bose ; Einstein condensates ; Tunneling ; Josephson effect ; Bose ; Einstein condensates in periodic potentials ; Nonlinear dynamics
• 刊名：International Journal of Theoretical Physics
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：54
• 期：1
• 页码：273-280
• 全文大小：1,773 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

The dynamics of fluctuations for Bose-Einstein condensates (BECs) in symmetrical three-well potential is studied in this paper. By calculating the time evolution of the number of particles and entanglement among three fluctuations of condensates in a three-well, we show that the nonlinear tunneling transition can be reflected in the dynamics of fluctuations in BECs, this complements the study on the dynamics of two weakly coupled BECsbased on the mean-filed approximation.