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首页> 中文期刊> 《中国物理快报：英文版》 >Polaron in Bose-Einstein-Condensation System

Polaron in Bose-Einstein-Condensation System

         
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摘要

We consider the motion of an impurity in a Bose-Einstein condensate system at T=0 K with the contact interactions for boson-boson and boson-impurity.Under the forward-scattering approximation,we obtain a Fr(o)hlich-like Hamiltonian for this system,which means that a polaron can be formed.The effective mass,the phonon number and the energy to form a polaron are obtained.We also discuss the validity of the forwardscattering approximation for this system.

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  • 来源
    《中国物理快报：英文版》 |2009年第8期|12-15|共4页
  • 作者

    HUANG Bei-Bing; WAN Shao-Long;

  • 作者单位

    Institute for Theoretical Physics and Department of Modern Physics University of Science and Technology of China,Hefei 230026;

    Institute for Theoretical Physics and Department of Modern Physics University of Science and Technology of China,Hefei 230026;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 物理学;
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