M5-brane geometries, T-duality and fluxes

Details M5-brane geometries, T-duality and fluxes M5-brane geometries, T-duality and fluxes

2003-07-17

arxiv.org/abs/hep-th/0307156v1

JHEP 0401:021,2004

Physics

High Energy Physics

High Energy Physics - Theory

30 pages, 3 figures

Scientific paper

10.1088/1126-6708/2004/01/021

We describe a duality relation between configurations of M5-branes in M-theory and type IIB theory on Taub-NUT geometries with NSNS and RR 3-form field strength fluxes. The flux parameters are controlled by the angles between the M5-brane and the (T)duality directions. For one M5-brane, the duality leads to a family of supersymmetric flux configurations which interpolates between imaginary self-dual fluxes and fluxes similar to the Polchinski-Strassler kind. For multiple M5-branes, the IIB configurations are related to fluxes for twisted sector fields in orbifolds. The dual M5-brane picture also provides a geometric interpretation for several properties of flux configurations (like the supersymmetry conditions, their contribution to tadpoles, etc), and for many non-trivial effects in the IIB side. Among the latter, the dielectric effect for probe D3-branes is dual to the recombination of probe M5-branes with background ones; also, a picture of a decay channel for non-supersymmetric fluxes is suggested.

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