中国物理B ›› 2005, Vol. 14 ›› Issue (12): 2407-2410.doi: 10.1088/1009-1963/14/12/006

• GENERAL • 上一篇    下一篇

Generation of maximally entangled states in a two-component Bose-Einstein condensate

魏渭   

  1. Department of Physics,University of Science and Technology of China,Hefei 230026, China
  • 收稿日期:2005-03-09 修回日期:2005-06-16 出版日期:2005-12-20 发布日期:2005-12-20

Generation of maximally entangled states in a two-component Bose-Einstein condensate

Wei Wei (魏渭)   

  1. Department of Physics,University of Science and Technology of China,Hefei 230026, China
  • Received:2005-03-09 Revised:2005-06-16 Online:2005-12-20 Published:2005-12-20

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摘要： We study analytically the generation of maximally entangled states (MESs) formed by a two-component Bose--Einstein condensate (BEC) trapped in an adiabatically driven single potential well. Under the condition of the linear interaction controlled by a driven field being much stronger than the effective nonlinear interaction between the components, MESs, as some particular cases of superpositions of spin coherent states (SSCS), may emerge periodically along with not only time evolution but also the equidifferent change of the linear coupling strength at a particular time.

Abstract: We study analytically the generation of maximally entangled states (MESs) formed by a two-component Bose--Einstein condensate (BEC) trapped in an adiabatically driven single potential well. Under the condition of the linear interaction controlled by a driven field being much stronger than the effective nonlinear interaction between the components, MESs, as some particular cases of superpositions of spin coherent states (SSCS), may emerge periodically along with not only time evolution but also the equidifferent change of the linear coupling strength at a particular time.

Key words: maximally entangled state, spin coherent states, Bose-Einstein condensates, nonlinearity

中图分类号:  (Entanglement and decoherence in Bose-Einstein condensates)

  • 03.75.Gg