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Title

An Sl(2, Z) multiplet of nine-dimensional type II supergravity theories

AuthorsMeessen, Patrick; Ortín Miguel, Tomás
Issue DateFeb-1999
PublisherElsevier
CitationNuclear Physics B 541(1-2): 195-245 (1999)
AbstractWe show that only by performing generalized dimensional reductions all possible brane configurations are taken into account and one gets the complete lower-dimensional theory. We apply this idea to the reduction of type IIB supergravity in an SL(2, Z)-covariant way and establish T-duality for the type II superstring effective action in the context of generalized dimensional reduction giving the corresponding generalized Buscher's T-duality rules. The full (generalized) dimensional reduction involves all the S-duals of D7-branes: Q7-branes and a sort of composite 7-branes. The three species constitute an SL(2, Z) triplet. Their presence induces the appearance of the triplet of masses of the 9-dimensional theory. The T-duals, including a “KK-8A-brane”, which must have a compact transverse dimension have to be considered in the type IIA side. Compactification of 11-dimensional KK-9M-branes (a.k.a. M9-branes) on the compact transverse dimension give D8-branes while compactification on a world-volume dimension gives KK-8A-branes. The presence of these KK-monopole-type objects breaks translation invariance and two of them given rise to an SL(2, Z)-covariant massive 11-dimensional supergravity whose reduction gives the massive 9-dimensional type II theories.
Description51 páginas, 5 figuras.-- El PDF del artículo es la versión pre-print.
Publisher version (URL)http://dx.doi.org/10.1016/S0550-3213(98)00780-9
URIhttp://hdl.handle.net/10261/38471
DOI10.1016/S0550-3213(98)00780-9
ISSN0550-3213
Appears in Collections:(IFT) Artículos
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