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题名: On tree amplitudes with gluons coupled to gravitons
作者: Chen, YX ;  Du, YJ ;  Feng, B
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2011
期号: 1, 页码:81
学科分类: Physics
通讯作者: Du, YJ (reprint author), Zhejiang Univ, Dept Phys, Zhejiang Inst Modern Phys, Hangzhou 310027, Zhejiang, Peoples R China.
部门归属: [Chen, Yi-Xin; Du, Yi-Jian] Zhejiang Univ, Dept Phys, Zhejiang Inst Modern Phys, Hangzhou 310027, Zhejiang, Peoples R China; [Feng, Bo] Zhejiang Univ, Ctr Math Sci, Hangzhou 310027, Zhejiang, Peoples R China; [Du, Yi-Jian] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Feng, Bo] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In this paper, we study the tree amplitudes with gluons coupled to gravitons. We first study the relations among the mixed amplitudes. With BCFW on-shell recursion relation, we show the color-order reversed relation, U(1)-decoupling relation and KK relation hold for tree amplitudes with gluons coupled to gravitons. We then study the disk relation which expresses mixed amplitudes by pure gluon amplitudes. More specifically we prove the disk relation for mixed amplitudes with gluons coupled to one graviton. Using the disk relation and the properties of pure gluon amplitudes, the color-order reversed relation, U(1)-decoupling relation and KK relation for mixed amplitudes can also be proved. Finally, we give some brief discussions on BCJ-like relation for mixed amplitudes.
资助者: NSF of China [10775116, 11075138]; 973-Program [2005CB724508]; Qiu-Shi, the Fundamental Research
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000287937700077
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14450
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Chen, YX,Du, YJ,Feng, B. On tree amplitudes with gluons coupled to gravitons[J]. JOURNAL OF HIGH ENERGY PHYSICS,2011(1):81.
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