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题名: Photon Emissions from a Spinor Bose-Einstein Condensate of Positroniums
作者: Zheng, C ;  Zhang, P ;  Yi, S
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2017
卷号: 68, 期号:2, 页码:236-244
关键词: positronium ;  spinor Bose-Einstein condensate ;  photon emission
学科分类: Physics
DOI: http://dx.doi.org/10.1088/0253-6102/68/2/236
通讯作者: Zheng, C (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Zheng, C (reprint author), Univ Chinese Acad Sci, Sch Phys, POB 4588, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: We investigate the quantum dynamics of the decay of a multiple-component positronium condensate into pairs of photons. A positronium atom has four internal spin states which are interconvertible through s-wave interactions. The quantum fields of all spin states of positroniums and photons are simulated from first principle in quasi-one-dimensional system using the truncated Wigner method. This method warrants us a full treatment of the depletion of positronium fields and the spin mixing induced by s-wave collisions between positronium atoms. Particularly, it yields the momentum spectrum of the emitted photons and the photon-photon correlations.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: GAMMA-RAY LASER ;  STIMULATED ANNIHILATION ;  DYNAMICS ;  PAIRS ;  GAS
项目资助者: National Natural Science Foundation of China [11434011, 11674334, 11421063, 11674393] ;  National Key Basic Research Special Foundation of China [2012CB922104] ;  Fundamental Research Funds for the Central Universities ;  Research Funds of Renmin University of China [16XNLQ03, 17XNH054]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21998
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Recommended Citation:
Zheng, C,Zhang, P,Yi, S. Photon Emissions from a Spinor Bose-Einstein Condensate of Positroniums[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2017,68(2):236-244.
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