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Title: String theory dualities and supergravity divergences
Author: Green, Michael B.
Russo, J. G. (Jorge Guillermo)
Vanhove, Pierre
Keywords: Física nuclear
Partícules (Física nuclear)
Nuclear physics
Particles (Nuclear physics)
Issue Date: 2010
Publisher: Springer; Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Abstract: We demonstrate how duality invariance of the low energy expansion of the four-supergraviton amplitude in type II string theory determines the precise coefficients of multiloop logarithmic ultraviolet divergences of maximal supergravity in various dimensions. This is illustrated by the explicit moduli-dependence of terms of the form ¿2k R4, with k ¿ 3, in the effective action. Furthermore, we show that in the supergravity limit the perturbative contributions are swamped by an accumulation of non-perturbative effects of zero-action instantons.
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It is part of: Journal of High Energy Physics, 2010, vol. 6, núm. 75
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ISSN: 1029-8479
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)
Publicacions de projectes de recerca finançats per la UE

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