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题名: Two-loop superstrings in hyperelliptic language III: the four-particle amplitude
作者: Zheng, ZJ ;  Wu, JB ;  Zhu, CJ
刊名: NUCLEAR PHYSICS B
出版日期: 2003
卷号: 663, 期号:40910, 页码:95-122
关键词: HETEROTIC STRING THEORY ;  COSMOLOGICAL CONSTANT ;  RIEMANN SURFACES ;  RENORMALIZATION ;  FIELD ;  TERMS ;  LOOPS
学科分类: Physics
通讯作者: Zheng, ZJ , Henan Univ, Inst Math, Kaifeng 475001, Peoples R China.
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000184040400005
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13259
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zheng, ZJ,Wu, JB,Zhu, CJ. Two-loop superstrings in hyperelliptic language III: the four-particle amplitude[J]. NUCLEAR PHYSICS B,2003,663(40910):95-122.
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