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题名: Inner structure of QED and its gauge invariant angular momenta: A new viewpoint to the final resolution of the nucleon spin crisis
作者: Zhou, BH ;  Huang, YC
刊名: PHYSICAL REVIEW D
出版日期: 2011
卷号: 84, 期号:4, 页码:47701
关键词: DEUTERON
学科分类: Physics
通讯作者: Zhou, BH (reprint author), Beijing Univ Technol, Inst Theoret Phys, Beijing 100124, Peoples R China.
部门归属: [Zhou, Bao-Hua; Huang, Yong-Chang] Beijing Univ Technol, Inst Theoret Phys, Beijing 100124, Peoples R China; [Huang, Yong-Chang] CAS, Kavli Inst Theoret Phys China, Beijing 100080, Peoples R China; [Huang, Yong-Chang] CCAST, World Lab, Beijing 100080, Peoples R China
英文摘要: We discover an inner structure of QED while the gauge potential is decomposed into two orthogonal components. Based on this, the Lagrangian of the electron-photon system is expanded to a new form and by the general method of field theory, the gauge invariant spin and orbital angular momentum operators of the electron and photon are naturally obtained from Noether's theorem. Our method, which can be generalized to the non-Abelian systems to investigate the inner structure of QCD, provides a new perspective to look on the nucleon spin crisis and opens a window into a strict and systematic resolution of this long-standing problem.
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000293556900012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14295
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Zhou, BH,Huang, YC. Inner structure of QED and its gauge invariant angular momenta: A new viewpoint to the final resolution of the nucleon spin crisis[J]. PHYSICAL REVIEW D,2011,84(4):47701.
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