Equivalence of Two-Loop Superstring Amplitudes in the Pure Spinor and RNS Formalisms
High Energy Physics - Theory
2009-11-11 v2
Abstract
The pure spinor formalism for the superstring has recently been used to compute massless four-point two-loop amplitudes in a manifestly super-Poincare covariant manner. In this paper, we show that when all four external states are Neveu-Schwarz, the two-loop amplitude coincides with the RNS result.
Keywords
Cite
@article{arxiv.hep-th/0509234,
title = {Equivalence of Two-Loop Superstring Amplitudes in the Pure Spinor and RNS Formalisms},
author = {Nathan Berkovits and Carlos R. Mafra},
journal= {arXiv preprint arXiv:hep-th/0509234},
year = {2009}
}
Comments
9 pages harvmac tex, added introductory paragraph