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Cui, Jian-Wei; Tang, Yong; Wu, Yue-Liang; Cui, JW , Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
Renormalization of supersymmetric field theories in loop regularization with string-mode regulators
Source PublicationPHYSICAL REVIEW D
KeywordAbelian Gauge-theory Wess-zumino Model Dimensional Regularization Feynman-rules Supergauge Transformations Algebraic Renormalization Symmetry Reduction Qfts
AbstractBy applying the recently developed loop regularization (LR) with string-mode regulators to super-symmetric field theories, we explicitly verify the supersymmetric Ward identities in several supersymmetric models at one-loop level. It is interesting to observe that supersymmetry is such a remarkable symmetry that the supersymmetric Ward identities hold as long as a regularization scheme is realized in the exact four-dimensional space-time with translational invariance for the momentum integration, and the gauge symmetry can be maintained once the regularization scheme preserves supersymmetry and satisfies the consistency condition for logarithmic divergences. As a manifest demonstration, we carry out a complete one-loop renormalization for the massive Wess-Zumino model by adopting the LR method, and it is found that all the quadratic divergences cancel out and the relations among masses and coupling constants hold after renormalization, which agrees with the well-known nonrenormalization theorem. It is concluded that the LR method preserves not only gauge symmetry but also supersymmetry. A simple and definite derivation of Majorana Feynman rules is found to be very useful.
2009
ISSN1550-7998
Volume79Issue:12Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5303
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCui, JW , Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cui, Jian-Wei,Tang, Yong,Wu, Yue-Liang,et al. Renormalization of supersymmetric field theories in loop regularization with string-mode regulators[J]. PHYSICAL REVIEW D,2009,79(12):-.
APA Cui, Jian-Wei,Tang, Yong,Wu, Yue-Liang,&Cui, JW , Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.(2009).Renormalization of supersymmetric field theories in loop regularization with string-mode regulators.PHYSICAL REVIEW D,79(12),-.
MLA Cui, Jian-Wei,et al."Renormalization of supersymmetric field theories in loop regularization with string-mode regulators".PHYSICAL REVIEW D 79.12(2009):-.
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