Cosmological Evolution of Brane World Moduli

Abstract

We study cosmological consequences of non–constant brane world moduli in five dimensional brane world models with bulk scalars and two boundary branes. We focus on the case where the brane tension is an exponential function of the bulk scalar field, U b ∝ exp (αφ). In the limit α → 0, the model reduces to the two–brane model of Randall–Sundrum, whereas… (More)

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