Cosmology of the Randall-Sundrum model after dilaton stabilization

Julien Lesgourgues, Sergio Pastor, Marco Peloso, Lorenzo Sorbo

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45 Scopus citations

Abstract

We provide the first complete analysis of cosmological evolution in the Randall-Sundrum model with stabilized dilaton. We give the exact expansion law for matter densities on the two branes with arbitrary equations of state. The effective four-dimensional theory leads to standard cosmology at low energy. The limit of validity of the low energy theory and possible deviations from the ordinary expansion law in the high energy regime are finally discussed. (C) 2000 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)411-419
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume489
Issue number3-4
DOIs
StatePublished - Sep 21 2000

Bibliographical note

Funding Information:
We would like to thank Jussi Kalkkinen for useful discussions. J.L. and S.P. are supported by INFN and by the European Commission under TMR network grant ERBFMRXCT960090.

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