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Gravitational contributions to gauge Green
Tang, Y; Wu, YL; Tang, Y (reprint author), Chinese Acad Sci, KITPC, SKLTP, Inst Theoret Phys, Beijing 100190, Peoples R China.
2011
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1126-6708
期号11页码:73
摘要We perform an explicit one-loop calculation for the gravitational contributions to the two-, three-and four-point gauge Green's functions with paying attention to the quadratic divergences. It is shown for the first time in the diagrammatic calculation that the Slavnov-Taylor identities are preserved even if the quantum graviton effects are included at one-loop level, such a conclusion is independent of the choice of regularization schemes. We also present a regularization scheme independent calculation based on the gauge condition independent background field framework of Vilkovisky-DeWitt's effective action with focusing on both the quadratic divergence and quartic divergence that is not discussed before. With the harmonic gauge condition, the results computed by using the traditional background field method can consistently be recovered from the Vilkovisky-DeWitt's effective action approach by simply taking a limiting case, and are found to be the same as the ones yielded by the diagrammatic calculation. As a consequence, in all the calculations, the symmetry-preserving and divergent-behavior-preserving loop regularization method can consistently lead to a nontrivial gravitational contribution to the gauge coupling constant with an asymptotic free power-law running at one loop near the Planck scale.
部门归属[Tang, Yong; Wu, Yue-Liang] Chinese Acad Sci, KITPC, SKLTP, Inst Theoret Phys, Beijing 100190, Peoples R China; [Tang, Yong] Natl Tsing Hua Univ, Natl Ctr Theoret Sci, Div Phys, Hsinchu, Taiwan
关键词One-loop Divergences Dewitt Effective Action Yang-mills Field Quantum-gravity Renormalization Regularization System Nonrenormalizability Qfts
学科领域Physics
资助者National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences
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收录类别SCI
语种英语
资助者National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Sciences
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14236
专题理论物理所SCI论文
通讯作者Tang, Y (reprint author), Chinese Acad Sci, KITPC, SKLTP, Inst Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Tang, Y,Wu, YL,Tang, Y . Gravitational contributions to gauge Green[J]. JOURNAL OF HIGH ENERGY PHYSICS,2011(11):73.
APA Tang, Y,Wu, YL,&Tang, Y .(2011).Gravitational contributions to gauge Green.JOURNAL OF HIGH ENERGY PHYSICS(11),73.
MLA Tang, Y,et al."Gravitational contributions to gauge Green".JOURNAL OF HIGH ENERGY PHYSICS .11(2011):73.
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