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题名: Quantum Gravitational Contributions to Gauge Field Theories
作者: Tang, Y ;  Wu, YL
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2012
卷号: 57, 期号:4, 页码:629-636
关键词: PRESERVING LOOP REGULARIZATION ;  DEWITT EFFECTIVE ACTION ;  BETA-FUNCTION ;  GRAVITY ;  RENORMALIZATION ;  ELECTRODYNAMICS ;  QFTS
学科分类: Physics
通讯作者: Tang, Y (reprint author), Chinese Acad Sci, Inst Theoret Phys, KITPC, SKLTP, Beijing 100190, Peoples R China.
部门归属: [Tang Yong; Wu Yue-Liang] Chinese Acad Sci, Inst Theoret Phys, KITPC, SKLTP, Beijing 100190, Peoples R China
英文摘要: We revisit quantum gravitational contributions to quantum gauge field theories in the gauge condition independent Vilkovisky-DeWitt formalism based on the background field method. With the advantage of Landau-DeWitt gauge, we explicitly obtain the gauge condition independent result for the quadratically divergent gravitational corrections to gauge couplings. By employing, in a general way, a scheme-independent regularization method that can preserve both gauge invariance and original divergent behavior of integrals, we show that the resulting gauge coupling is power-law running and asymptotically free. The regularization scheme dependence is clarified by comparing with results obtained by other methods. The loop regularization scheme is found to be applicable for a consistent calculation.
资助者: National Science Foundation of China [10821504, 10975170]; Key Project of Knowledge Innovation Program of Chinese Academy of Science
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000303049000019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15127
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Tang, Y,Wu, YL. Quantum Gravitational Contributions to Gauge Field Theories[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2012,57(4):629-636.
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