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题名: A SIMPLE STRATEGY FOR RENORMALIZATION: QED AT ONE-LOOP LEVEL
作者: Yang, Ji-Feng ;  Pan, Zhao-Ting
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS A
出版日期: 2010
卷号: 25, 期号:22, 页码:4255-4290
关键词: ENERGY-MOMENTUM-TENSOR ;  QUANTUM-FIELD THEORY ;  DIMENSIONAL REGULARIZATION ;  PERTURBATION-THEORY ;  GAUGE-THEORIES ;  MASS ;  ANOMALIES ;  TRACE ;  ELECTRODYNAMICS ;  INVARIANCE
学科分类: Physics
通讯作者: Yang, JF , E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China
部门归属: [Yang, JF; Pan, ZT] E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China; [Yang, JF] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: We demonstrate our simple strategy for renormalization with QED at one-loop level, basing on an elaboration of the effective field theory philosophy. No artificial regularization or deformation of the original theory is introduced here and hence no manipulation of infinities, ambiguities arise instead of infinities. Ward identities first come to reduce the number of ambiguities, the residual ones could in principle be removed by imposing physical boundary conditions. Renormalization group equations arise as "decoupling theorems" in the underlying theory perspective. In addition, a technical theorem concerning routing of external moment a is also presented and illustrated with the self-energy and vertex function as example.
资助者: National Natural Science Foundation[10205004]; Ministry of Education of China
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000281721700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5048
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Yang, Ji-Feng,Pan, Zhao-Ting. A SIMPLE STRATEGY FOR RENORMALIZATION: QED AT ONE-LOOP LEVEL[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2010,25(22):4255-4290.
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