Abstract
We investigate D-branes on the product G×G 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.
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ArXiv ePrint: 0908.1049
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Fredenhagen, S., Restuccia, C. DBI analysis of generalised permutation branes. J. High Energ. Phys. 2010, 65 (2010). https://doi.org/10.1007/JHEP01(2010)065
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DOI: https://doi.org/10.1007/JHEP01(2010)065