A Class of String Backgrounds as a Semiclassical Limit of WZW Models
High Energy Physics - Theory
2019-08-15 v1
Abstract
A class of string backgrounds associated with non semi-simple groups is obtained as a special large level limit of ordinary WZW models. The models have an integer Virasoro central charge and they include the background recently studied by Nappi and Witten.
Keywords
Cite
@article{arxiv.hep-th/9311081,
title = {A Class of String Backgrounds as a Semiclassical Limit of WZW Models},
author = {D. I. Olive and E. Rabinovici and A. Schwimmer},
journal= {arXiv preprint arXiv:hep-th/9311081},
year = {2019}
}
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9 pages