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Explicit derivation of the QED trace anomaly in symmetry-preserving loop regularization at one-loop level
Cui, JW; Ma, YL; Wu, YL; Cui, JW (reprint author), Tsinghua Univ, Ctr High Energy Phys, Dept Engn Phys, Beijing 100084, Peoples R China.
2011
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号84期号:2页码:25020
摘要The QED trace anomaly is calculated at one-loop level based on the loop regularization method which is realized in 4-dimensional space-time and preserves gauge symmetry and Poincare symmetry in spite of the introduction of two mass scales, namely, the ultraviolet (UV) cutoff M(c) and infrared (IR) cutoff mu(s). It is shown that the dilation Ward identity which relates the three-point diagrams with the vacuum polarization diagrams gets the standard form of trace anomaly through quantum corrections in taking the consistent limit M(c) -> 1 and mu(s) = 0 which recovers the original integrals. This explicitly demonstrates that the loop regularization method is indeed a self-consistent regularization scheme which is applicable to the calculations not only for the chiral anomaly but also for the trace anomaly, at least at one-loop level. It is also seen that the consistency conditions which relate the tensor-type and scalar-type irreducible loop integrals (ILIs) are crucial for obtaining a consistent result. As a comparison, we also present the one-loop calculations by using the usual Pauli-Villars regularization and the dimensional regularization.
部门归属[Cui, Jian-Wei] Tsinghua Univ, Ctr High Energy Phys, Dept Engn Phys, Beijing 100084, Peoples R China; [Ma, Yong-Liang] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan; [Wu, Yue-Liang] Chinese Acad Sci, KITPC, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Energy-momentum-tensor Beta-function Renormalization Electrodynamics Qfts
学科领域Physics
资助者National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364]
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收录类别SCI
语种英语
资助者National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364] ; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 10905084]; Chinese Academy of Science; MEXT [2104]; National Science Foundation of China (NNSFC) [10905060]; China Postdoctoral Science Foundation (CPSF) [20090460364]
WOS记录号WOS:000293182400002
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14313
专题理论物理所SCI论文
通讯作者Cui, JW (reprint author), Tsinghua Univ, Ctr High Energy Phys, Dept Engn Phys, Beijing 100084, Peoples R China.
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Cui, JW,Ma, YL,Wu, YL,et al. Explicit derivation of the QED trace anomaly in symmetry-preserving loop regularization at one-loop level[J]. PHYSICAL REVIEW D,2011,84(2):25020.
APA Cui, JW,Ma, YL,Wu, YL,&Cui, JW .(2011).Explicit derivation of the QED trace anomaly in symmetry-preserving loop regularization at one-loop level.PHYSICAL REVIEW D,84(2),25020.
MLA Cui, JW,et al."Explicit derivation of the QED trace anomaly in symmetry-preserving loop regularization at one-loop level".PHYSICAL REVIEW D 84.2(2011):25020.
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