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题名: Evaluation of Particle Numbers via Two Root Mean Square Radii in a 2-Species Bose-Einstein Condensate
作者: He, YZ ;  Liu, YM ;  Bao, CG
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2017
卷号: 68, 期号:2, 页码:220-222
关键词: Bose-Einstein condensation ;  2-species BEC ;  root mean square radius ;  determination of particle numbers
学科分类: Physics
DOI: http://dx.doi.org/10.1088/0253-6102/68/2/220
通讯作者: Bao, CG (reprint author), Sun Yat Sen Univ, Sch Phys, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China.
文章类型: Article
英文摘要: The coupled Gross-Pitaevskii equations for two-species BEC have been solved analytically under the Thomas-Fermi approximation (TFA). Based on the analytical solution, two formulae are derived to relate the particle numbers N-A and N-B with the root mean square radii of the two kinds of atoms. Only the case that both kinds of atoms have nonzero distribution at the center of an isotropic trap is considered. In this case the TFA has been found to work nicely. Thus, the two formulae are applicable and are useful for the evaluation of N-A and N-B.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: BINARY-MIXTURES
项目资助者: National Natural Science Foundation of China [11372122, 11274393, 11574404, 11275279] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China ;  National Basic Research Program of China [2013CB933601] ;  Guangdong Natural Science Foundation [2016A030313313]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21997
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Recommended Citation:
He, YZ,Liu, YM,Bao, CG. Evaluation of Particle Numbers via Two Root Mean Square Radii in a 2-Species Bose-Einstein Condensate[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2017,68(2):220-222.
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