Superstring Perturbation Theory Revisited
High Energy Physics - Theory
2023-11-07 v4
Abstract
Perturbative superstring theory is revisited, with the goal of giving a simpler and more direct demonstration that multi-loop amplitudes are gauge-invariant (apart from known anomalies), satisfy space-time supersymmetry when expected, and have the expected infrared behavior. The main technical tool is to make the whole analysis, including especially those arguments that involve integration by parts, on supermoduli space, rather than after descending to ordinary moduli space.
Cite
@article{arxiv.1209.5461,
title = {Superstring Perturbation Theory Revisited},
author = {Edward Witten},
journal= {arXiv preprint arXiv:1209.5461},
year = {2023}
}
Comments
225 pp, minor clarification in this version