Branes, Instantons, And Taub-NUT Spaces
High Energy Physics - Theory
2010-04-07 v2
Abstract
ALE and Taub-NUT (or ALF) hyper-Kahler four-manifolds can be naturally constructed as hyper-Kahler quotients. In the ALE case, this construction has long been understood in terms of D-branes; here we give a D-brane derivation in the Taub-NUT case. Likewise, instantons on ALE spaces and on Taub-NUT spaces have ADHM-like constructions related to hyper-Kahler quotients. Here we refine the analysis in the Taub-NUT case by making use of a D-brane probe, and give an application to M-theory.
Cite
@article{arxiv.0902.0948,
title = {Branes, Instantons, And Taub-NUT Spaces},
author = {Edward Witten},
journal= {arXiv preprint arXiv:0902.0948},
year = {2010}
}
Comments
63 pp