DBI analysis of generalised permutation branes
Abstract
We investigate D-branes on the product GxG of two group manifolds described as Wess-Zumino-Novikov-Witten models. When the levels of the two groups coincide, it is well known that there exist permutation D-branes which are twisted by the automorphism exchanging the two factors. When the levels are different, the D-brane charge group demands that there should be generalisations of these permutation D-branes, and a geometric construction for them was proposed in hep-th/0509153. We give further evidence for this proposal by showing that the generalised permutation D-branes satisfy the Dirac-Born-Infeld equations of motion for arbitrary compact, simply connected and simple Lie groups G.
Keywords
Cite
@article{arxiv.0908.1049,
title = {DBI analysis of generalised permutation branes},
author = {Stefan Fredenhagen and Cosimo Restuccia},
journal= {arXiv preprint arXiv:0908.1049},
year = {2014}
}
Comments
19 pages, computation in section 3.5.1 corrected, conclusions unchanged