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题名: Renormalization of supersymmetric field theories in loop regularization with string-mode regulators
作者: Cui, Jian-Wei ;  Tang, Yong ;  Wu, Yue-Liang
刊名: PHYSICAL REVIEW D
出版日期: 2009
卷号: 79, 期号:12, 页码:-
关键词: ABELIAN GAUGE-THEORY ;  WESS-ZUMINO MODEL ;  DIMENSIONAL REGULARIZATION ;  FEYNMAN-RULES ;  SUPERGAUGE TRANSFORMATIONS ;  ALGEBRAIC RENORMALIZATION ;  SYMMETRY ;  REDUCTION ;  QFTS
学科分类: Physics
通讯作者: Cui, JW , Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
部门归属: [Cui, JW; Tang, Y; Wu, YL] Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
英文摘要: By 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000267701500103
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5303
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Cui, Jian-Wei,Tang, Yong,Wu, Yue-Liang. Renormalization of supersymmetric field theories in loop regularization with string-mode regulators[J]. PHYSICAL REVIEW D,2009,79(12):-.
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