Comments on Two-Loop Four-Particle Amplitude in Superstring Theory
High Energy Physics - Theory
2009-11-10 v1
Abstract
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 [3,4,5]. Here the symmetry in hyperelliptic Riemann surface plays an important role in the proof.
Keywords
Cite
@article{arxiv.hep-th/0303152,
title = {Comments on Two-Loop Four-Particle Amplitude in Superstring Theory},
author = {Wu-Jun Bao and Chuan-Jie Zhu},
journal= {arXiv preprint arXiv:hep-th/0303152},
year = {2009}
}
Comments
10 pages, Latex file