54 pages, 1 figureIn a superstring framework, the free energy density F can be determined unambiguously once supersymmetry is spontaneously broken via geometrical fluxes. We show explicitly that only the moduli associated to the supersymmetry breaking may give relevant contributions. All other spectator moduli \mu_I give exponentially suppressed contributions for relatively small temperature T and supersymmetry scale M. More concisely, for \mu_I > T and M, F takes the form F(T,M;\mu_I) = F(T,M) + O[ exp(-\mu_I/T), exp(-\mu_I/M) ]. For T and M below the Hagedorn temperature scale T_H, F remains finite for any values of the spectator moduli \mu_I. We investigate extensively the case of one spectator modulus \mu ~ 1/(R_s+1/R_s), with R_s the r...
We study the cosmology of perturbative heterotic superstring theory during the radiation-like era fo...
In this talk I will discuss the role of finite temperature quantum corrections in string cosmology a...
We show that if there is a realistic 4-d string, the dilaton and moduli supermultiplets will generic...
54 pages, 1 figureIn a superstring framework, the free energy density F can be determined unambiguou...
In a superstring framework, the free energy density F can be determined unambiguously at the full st...
34 pages, 5 figuresWe extend the analysis of the recently obtained stringy cosmological solutions in...
38 pages, 4 figuresStarting from an initial classical four dimensional flat background of the hetero...
We study moduli stabilization by thermal effects in the cosmological context. The implemen-tation of...
55 pages, 10 figuresWe consider classical superstring theories on flat four dimensional space-times,...
32 pages, 3 figures, to be published by NOVA science publishersIn this work, we review the results o...
35 pages, 2 figuresWe are presenting the basic ingredients of a stringy mechanism able to resolve bo...
12+1 pagesWe consider four dimensional heterotic string backgrounds for which supersymmetry is spont...
We consider the cosmological evolution induced by the free energy F of a gas of maximally su-persymm...
In this work, we review the results of Refs [1] – [5] dedicated to the description of the early Uni...
AbstractWe estimate the cosmological abundance of a modulus field that has dilatonic couplings to ga...
We study the cosmology of perturbative heterotic superstring theory during the radiation-like era fo...
In this talk I will discuss the role of finite temperature quantum corrections in string cosmology a...
We show that if there is a realistic 4-d string, the dilaton and moduli supermultiplets will generic...
54 pages, 1 figureIn a superstring framework, the free energy density F can be determined unambiguou...
In a superstring framework, the free energy density F can be determined unambiguously at the full st...
34 pages, 5 figuresWe extend the analysis of the recently obtained stringy cosmological solutions in...
38 pages, 4 figuresStarting from an initial classical four dimensional flat background of the hetero...
We study moduli stabilization by thermal effects in the cosmological context. The implemen-tation of...
55 pages, 10 figuresWe consider classical superstring theories on flat four dimensional space-times,...
32 pages, 3 figures, to be published by NOVA science publishersIn this work, we review the results o...
35 pages, 2 figuresWe are presenting the basic ingredients of a stringy mechanism able to resolve bo...
12+1 pagesWe consider four dimensional heterotic string backgrounds for which supersymmetry is spont...
We consider the cosmological evolution induced by the free energy F of a gas of maximally su-persymm...
In this work, we review the results of Refs [1] – [5] dedicated to the description of the early Uni...
AbstractWe estimate the cosmological abundance of a modulus field that has dilatonic couplings to ga...
We study the cosmology of perturbative heterotic superstring theory during the radiation-like era fo...
In this talk I will discuss the role of finite temperature quantum corrections in string cosmology a...
We show that if there is a realistic 4-d string, the dilaton and moduli supermultiplets will generic...