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Instantaneous formulation for transitions between two instantaneous bound states and its gauge invariance
Chang Chao-Hsi; Chen Jiao-Kai; Wang Guo-Li; Chang, CH , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
2006
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号46期号:3页码:467-480
摘要We have precisely derived a "rigorous instantaneous formulation" for transitions between two bound states when the bound states are well-described by instantaneous Bethe-Salpeter (BS) equation (i.e. the kernel of the equation is instantaneous "occasionally"). The obtained rigorous instantaneous formulation, in fact, is expressed as an operator sandwiched by two "reduced BS wave functions" properly, while the reduced BS wave functions appearing in the formulation are the rigorous solutions of the instantaneous BS equation, and they may relate to Schrodinger wave functions straightforwardly. We also show that the rigorous instantaneous formulation is gauge-invariant with respect to the U-em(1) transformation precisely, if the concerned transitions are radiative. Some applications of the formulation are outlined.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China; Inst Adv Study, Princeton, NJ 08540 USA; Harbin Inst Technol, Dept Phys, Harbin 150006, Peoples R China
关键词Bethe-salpeter-equation Mesons Charmonium Model Symmetry Decays
学科领域Physics
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收录类别SCI
WOS记录号WOS:000240609800017
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被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5904
专题理论物理所1978-2010年知识产出
通讯作者Chang, CH , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
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Chang Chao-Hsi,Chen Jiao-Kai,Wang Guo-Li,et al. Instantaneous formulation for transitions between two instantaneous bound states and its gauge invariance[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2006,46(3):467-480.
APA Chang Chao-Hsi,Chen Jiao-Kai,Wang Guo-Li,&Chang, CH , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2006).Instantaneous formulation for transitions between two instantaneous bound states and its gauge invariance.COMMUNICATIONS IN THEORETICAL PHYSICS,46(3),467-480.
MLA Chang Chao-Hsi,et al."Instantaneous formulation for transitions between two instantaneous bound states and its gauge invariance".COMMUNICATIONS IN THEORETICAL PHYSICS 46.3(2006):467-480.
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