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玻色-爱因斯坦凝聚态的结构理论研究系列之一:玻色-爱因斯坦凝聚态的复合表示理论

One of series of studies on the structural theory in Bose-Einstein condensate:theory of composite representation in Bose-Einstein condensate

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【作者】 张月清王义遒刘伍明朱耀银

【Author】 ZHANG Yue-qing1,2,WANG Yi-qiu1,LIU Wu-ming3,ZHU Yao-yin4(1.Educational Ministry Key Laboratory of Quantum Information and Measurment in Peking University,Beijing 100871,China;2.Editorial Department of Journal of Hebei University of Agriculture,Baoding 071001,China;3.Physical Institute,Chinese Academy of Science,Beijing 100080,China;4.Department of Physics,Jilin University,Changchun 130023,China)

【机构】 北京大学教育部量子信息与测量重点实验室中国科学院物理研究所吉林大学物理系 北京100871河北农业大学学报编辑部保定071001北京100871北京100080长春130023

【摘要】 针对近零温度下玻色-爱因斯坦凝聚态的特点,建立了复合原子表示模型.提出了复合原子的概念,研究发现复合原子具有一定的零点半径与结合能,得出了相应的表达式.认为该物态作为一个宏观量子态的说法具有相对性,应该据研究角度而定.同时,给出了二个分离的玻色-爱因斯坦凝聚态之间产生1/R型作用势的几种情况,为同类实验提供了理论依据.

【Abstract】 The composite atom representation model is set up by the characters of BEC,proposing the concept of composite atom,finding some certain point-like radius and bound energy,and getting some corresponding formulae for point-like radius and bound energy in the paper.As a result of some certain structural factor,the pop view for BEC being a macroscopic quantum state is contradicted in the paper.We think that the view of a macroscopic quantum state is relative and should be treated with by studying level.In the meantime,several situations for 1/R type of interactive potential between two spatial separated BEC are given,the theoretical arguments are provided with the similar experiments in the paper with the model.

【基金】 教育部自然科学重大基金(00-09);国家自然科学基金(10074003)
  • 【文献出处】 原子与分子物理学报 ,Journal of Atomic and Molecular Physics , 编辑部邮箱 ,2007年03期
  • 【分类号】O414.2
  • 【下载频次】324
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