ITP OpenIR  > 理论物理所2011年知识产出
Art of spin decomposition
Chen, XS; Sun, WM; Wang, F; Goldman, T; Chen, XS (reprint author), Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China.
2011
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号83期号:7页码:71901
摘要We analyze the problem of spin decomposition for an interacting system from a natural perspective of constructing angular-momentum eigenstates. We split, from the total angular-momentum operator, a proper part which can be separately conserved for a stationary state. This part commutes with the total Hamiltonian and thus specifies the quantum angular momentum. We first show how this can be done in a gauge-dependent way, by seeking a specific gauge in which part of the total angular-momentum operator vanishes identically. We then construct a gauge-invariant operator with the desired property. Our analysis clarifies what is the most pertinent choice among the various proposals for decomposing the nucleon spin. A similar analysis is performed for extracting a proper part from the total Hamiltonian to construct energy eigenstates.
部门归属[Chen, Xiang-Song] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China; [Chen, Xiang-Song; Sun, Wei-Min; Wang, Fan] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Sun, Wei-Min; Wang, Fan] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China; [Sun, Wei-Min; Wang, Fan] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China; [Goldman, T.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
关键词Nucleon
学科领域Physics
资助者National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department ; National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department ; National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department ; National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department
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收录类别SCI
语种英语
资助者National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department ; National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department ; National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department ; National Science Foundation of China [10875082, 11035003]; U.S. DOE [DE-AC52-06NA25396]; China Education Department
WOS记录号WOS:000289193800001
引用统计
被引频次:14[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/311006/14375
专题理论物理所2011年知识产出
通讯作者Chen, XS (reprint author), Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China.
推荐引用方式
GB/T 7714
Chen, XS,Sun, WM,Wang, F,et al. Art of spin decomposition[J]. PHYSICAL REVIEW D,2011,83(7):71901.
APA Chen, XS,Sun, WM,Wang, F,Goldman, T,&Chen, XS .(2011).Art of spin decomposition.PHYSICAL REVIEW D,83(7),71901.
MLA Chen, XS,et al."Art of spin decomposition".PHYSICAL REVIEW D 83.7(2011):71901.
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