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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
引用本文:张月清,王义遒,刘伍明,朱耀银.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[J].原子与分子物理学报,2007,24(3):457-465.
作者姓名:张月清  王义遒  刘伍明  朱耀银
作者单位:1. 北京大学教育部量子信息与测量重点实验室,北京,100871;河北农业大学学报编辑部,保定,071001
2. 北京大学教育部量子信息与测量重点实验室,北京,100871
3. 中国科学院物理研究所,北京,100080
4. 吉林大学物理系,长春,130023
基金项目:教育部自然科学重大项目;国家自然科学基金
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.

关 键 词:玻色-爱因斯坦凝聚  零点半径  结合能  宏观量子态
文章编号:1000-0364(2007)03-0457-09
收稿时间:4/5/2006 12:00:00 AM
修稿时间:2006-04-05

One of series of studies on the structural theory in Bose-Einstein condensate:theory of composite representation in Bose-Einstein condensate
ZHANG Yue-qing,WANG Yi-qiu,LIU Wu-ming,ZHU Yao-yin.One of series of studies on the structural theory in Bose-Einstein condensate:theory of composite representation in Bose-Einstein condensate[J].Journal of Atomic and Molecular Physics,2007,24(3):457-465.
Authors:ZHANG Yue-qing  WANG Yi-qiu  LIU Wu-ming  ZHU Yao-yin
Institution: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 Physies,Jilin University,Changehun 130023,China
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.
Keywords:BEC  point-like radius  bound energy
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