Comments on two-loop four-particle amplitude in superstring theory

被引：0
|
作者：
Wu, JB [1 ]
Zhu, CJ
机构：
[1] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[2] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2003年 / 05期
关键词：
superstrings and heterotic strings; conformal field models in string theory;
D O I：
暂无
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
It is shown that the four-particle amplitude of superstring theory at two loops obtained in [1, 2] is equivalent to the previously obtained results in [3]-[5]. Here the Z(2) symmetry in hyperelliptic Riemann surface plays an important role in the proof.
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