Two-loop superstrings in hyperelliptic language III: the four-particle amplitude

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	Two-loop superstrings in hyperelliptic language III: the four-particle amplitude
	Zheng, ZJ; Wu, JB; Zhu, CJ; Zheng, ZJ , Henan Univ, Inst Math, Kaifeng 475001, Peoples R China.
	2003
发表期刊	NUCLEAR PHYSICS B
ISSN	0550-3213
卷号	663 期号:40910 页码:95-122
摘要	We compute explicitly the four-particle amplitude in superstring theories by using the hyperelliptic language and the newly obtained chiral measure of D'Hoker and Phong. Although the algebra of the intermediate steps is a little bit involved, we obtain a quite simple expression for the four-particle amplitude. As expected, the integrand is independent of all the insertion points. As an application of the obtained result, we show that the perturbative correction to the R-4 term in type II supersoing theories is vanishing point-wise in (even) moduli space at two loops. (C) 2003 Elsevier B.V. All rights reserved.
部门归属	Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Henan Univ, Inst Math, Kaifeng 475001, Peoples R China
关键词	Heterotic String Theory Cosmological Constant Riemann Surfaces Renormalization Field Terms Loops
学科领域	Physics
URL	查看原文
收录类别	SCI
WOS记录号	WOS:000184040400005
引用统计	被引频次：22[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/311006/13259
专题	理论物理所1978-2010年知识产出
通讯作者	Zheng, ZJ , Henan Univ, Inst Math, Kaifeng 475001, Peoples R China.
推荐引用方式 GB/T 7714	Zheng, ZJ,Wu, JB,Zhu, CJ,et al. Two-loop superstrings in hyperelliptic language III: the four-particle amplitude[J]. NUCLEAR PHYSICS B,2003,663(40910):95-122.
APA	Zheng, ZJ,Wu, JB,Zhu, CJ,&Zheng, ZJ , Henan Univ, Inst Math, Kaifeng 475001, Peoples R China..(2003).Two-loop superstrings in hyperelliptic language III: the four-particle amplitude.NUCLEAR PHYSICS B,663(40910),95-122.
MLA	Zheng, ZJ,et al."Two-loop superstrings in hyperelliptic language III: the four-particle amplitude".NUCLEAR PHYSICS B 663.40910(2003):95-122.

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