Brane Resolution and Gravitational Chern-Simons terms

Details Brane Resolution and Gravitational Chern-Simons terms Brane Resolution and Gravitational Chern-Simons terms

2002-06-19

arxiv.org/abs/hep-th/0206180v3

Class.Quant.Grav.20:285-301,2003

Physics

High Energy Physics

High Energy Physics - Theory

22 pages

Scientific paper

10.1088/0264-9381/20/2/303

We show that gravitational Chern-Simons corrections, associated with the sigma-model anomaly on the M5-brane world-volume, can resolve the singularity of the M2-brane solution with Ricci-flat, special holonomy transverse space. We explicitly find smooth solutions in the cases when the transverse space is a manifold of Spin(7) holonomy and SU(4) holonomy. We comment on the consequences of these results for the holographically related three-dimensional theories living on the world volume of a stack of such resolved M2-branes.

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