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Attractions to radiation-like eras in superstring cosmologies

✍ Scribed by H. Partouche

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
159 KB
Volume
58
Category
Article
ISSN
0015-8208

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✦ Synopsis

Abstract

We review the cosmology induced by finite temperature and quantum effects on non‐supersymmetric string models. We show the evolution is attracted to radiation‐like solutions after the Hagedorn era and before the electroweak phase transition. This mechanism generates a hierarchy between the Planck mass and the supersymmetry breaking scale. A dynamical change of space‐time dimension can take place.

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## Abstract We study the effects of the quantum‐thermal effective potential on internal moduli in the context of perturbative string cosmology throughout the “radiation‐like” cosmological era. Based on the work done in references [6,7] and a talk given at the Workshop on Cosmology & Strings, Corfu