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Boels, RH; Huber, T; Yang, G; Boels, RH (reprint author), Univ Hamburg, Inst Theoret Phys 2, Luruper Chaussee 149, D-22761 Hamburg, Germany.; Huber, T (reprint author), Univ Siegen, Nat Wissensch Tech Fak, Walter Flex Str 3, D-57068 Siegen, Germany.; Yang, G (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Four-Loop Nonplanar Cusp Anomalous Dimension in N=4 Supersymmetric Yang-Mills Theory
发表期刊PHYSICAL REVIEW LETTERS
语种英语
摘要The lightlike cusp anomalous dimension is a universal function that controls infrared divergences in quite general gauge theories. In the maximally supersymmetric Yang-Mills theory this function is fixed fully by integrability to the three-loop order. At four loops a nonplanar correction appears which we obtain for the first time from a numerical computation of the Sudakov form factor. Key ingredients are widely applicable methods to control the number-theoretic aspects of the appearing integrals. Our result shows explicitly that quadratic Casimir scaling breaks down at four loops.
2017
卷号119期号:20页码:201601
学科领域Physics
DOIhttp://dx.doi.org/10.1103/PhysRevLett.119.201601
项目资助者German Science Foundation (DFG) within the Collaborative Research Center 676 "Particles, Strings and the Early Universe" ; German Science Foundation (DFG) within the Collaborative Research Center 676 "Particles, Strings and the Early Universe" ; German Science Foundation (DFG) within the Collaborative Research Center 676 "Particles, Strings and the Early Universe" ; German Science Foundation (DFG) within the Collaborative Research Center 676 "Particles, Strings and the Early Universe" ; Chinese Academy of Sciences (CAS) Hundred-Talent Program ; Chinese Academy of Sciences (CAS) Hundred-Talent Program ; Chinese Academy of Sciences (CAS) Hundred-Talent Program ; Chinese Academy of Sciences (CAS) Hundred-Talent Program ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Natural Science Foundation of China (NSFC) [11647601] ; National Natural Science Foundation of China (NSFC) [11647601] ; National Natural Science Foundation of China (NSFC) [11647601] ; National Natural Science Foundation of China (NSFC) [11647601]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21934
专题理论物理所科研产出_SCI论文
通讯作者Boels, RH (reprint author), Univ Hamburg, Inst Theoret Phys 2, Luruper Chaussee 149, D-22761 Hamburg, Germany.; Huber, T (reprint author), Univ Siegen, Nat Wissensch Tech Fak, Walter Flex Str 3, D-57068 Siegen, Germany.; Yang, G (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Boels, RH,Huber, T,Yang, G,et al. Four-Loop Nonplanar Cusp Anomalous Dimension in N=4 Supersymmetric Yang-Mills Theory[J]. PHYSICAL REVIEW LETTERS,2017,119(20):201601.
APA Boels, RH,Huber, T,Yang, G,Boels, RH ,Huber, T ,&Yang, G .(2017).Four-Loop Nonplanar Cusp Anomalous Dimension in N=4 Supersymmetric Yang-Mills Theory.PHYSICAL REVIEW LETTERS,119(20),201601.
MLA Boels, RH,et al."Four-Loop Nonplanar Cusp Anomalous Dimension in N=4 Supersymmetric Yang-Mills Theory".PHYSICAL REVIEW LETTERS 119.20(2017):201601.
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