Target space duality and moduli stabilization in String Gas Cosmology

Abstract

Motivated by string gas cosmology, we investigate the stability of moduli fields coming from compactifications of string gas on torus with background flux. It was previously claimed that moduli are stabilized only at a single fixed point in moduli space, a self-dual point of T-duality with vanishing flux. Here, we show that there exist other stable fixed points on moduli space with non-vanishing flux. We also discuss the more general target space dualities associated with these fixed points.

12 pages, 1 figure

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• The Effect of alpha' Corrections in String Gas Cosmology
• Conceptual Problems of Inflationary Cosmology and a New Approach to Cosmological Structure Formation
• Supersymmetry Breaking and Dilaton Stabilization in String Gas Cosmology
• Moduli fixing and T-duality in Type II brane gas models
• Stabilization of the Extra Dimensions in Brane Gas Cosmology with Bulk Flux
• Radion effective potential in brane gas cosmology
• Open Strings on D-Branes and Hagedorn Regime in String Gas Cosmology
• Wrapped brane gas as a candidate for Dark Matter
• Extra Dimensions, Dilaton and Dark Energy