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Membrane tension and manifest IIB S-duality

P. K. Townsend

hep-tharXiv:hep-th/9705160

Abstract

A manifestly S-dual, and `12 dimensional', IIB superstring action with an Sl(2;) doublet of `Born-Infeld' fields is presented. The M-theory origin of the 12th dimension is the M-2-brane tension, which can be regarded as the flux of a 3-form worldvolume field strength. The latter is required by the fact that the M-2-brane can have a boundary on an M-5-brane.

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