G/G Models and W_N strings
High Energy Physics - Theory
2009-09-29 v1
Abstract
We derive the BRST cohomology of the G/G topological model for the case of A^{(1)}_{N-1} . It is shown that at level k={p/q}-N the latter describes the (p,q) W_N minimal model coupled to gravity (plus some extra ``topological sectors").
Cite
@article{arxiv.hep-th/9206063,
title = {G/G Models and W_N strings},
author = {O. Aharony and J. Sonnenschein and S. Yankielowicz},
journal= {arXiv preprint arXiv:hep-th/9206063},
year = {2009}
}
Comments
17 pages