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Yang, Ji-Feng; Pan, Zhao-Ting; Yang, JF , E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China
A SIMPLE STRATEGY FOR RENORMALIZATION: QED AT ONE-LOOP LEVEL
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
KeywordEnergy-momentum-tensor Quantum-field Theory Dimensional Regularization Perturbation-theory Gauge-theories Mass Anomalies Trace Electrodynamics Invariance
AbstractWe 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.
2010
ISSN0217-751X
Volume25Issue:22Pages:4255-4290
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation[10205004]; Ministry of Education of China ; National Natural Science Foundation[10205004]; Ministry of Education of China ; National Natural Science Foundation[10205004]; Ministry of Education of China ; National Natural Science Foundation[10205004]; Ministry of Education of China
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5048
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYang, JF , E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China
Recommended Citation
GB/T 7714
Yang, Ji-Feng,Pan, Zhao-Ting,Yang, JF , E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China. A SIMPLE STRATEGY FOR RENORMALIZATION: QED AT ONE-LOOP LEVEL[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2010,25(22):4255-4290.
APA Yang, Ji-Feng,Pan, Zhao-Ting,&Yang, JF , E China Normal Univ, Dept Phys, Shanghai 200241, Peoples R China.(2010).A SIMPLE STRATEGY FOR RENORMALIZATION: QED AT ONE-LOOP LEVEL.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,25(22),4255-4290.
MLA Yang, Ji-Feng,et al."A SIMPLE STRATEGY FOR RENORMALIZATION: QED AT ONE-LOOP LEVEL".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 25.22(2010):4255-4290.
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