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9 papers · 1 filter
Inflation in S-Dual Superstring Models
A. de la Macorra, S. Lola
We study inflationary potentials in the framework of superstring theories. Successful inflation may occur due to chiral fields, but only after the dilaton and moduli are stabilized…
Gauge Coupling Unification and the Top Mass in String Models with Symmetry
G. K. Leontaris, N. D. Tracas
We discuss the low energy implications of gauge coupling unification at the string scale, taking into account string threshold corrections in the model. We ex…
Dilatonic Black Holes in Higher Curvature String Gravity
P. Kanti, N. E. Mavromatos, J. Rizos +2
We give analytical arguments and demonstrate numerically the existence of black hole solutions of the Effective Superstring Action in the presence of Gauss-Bonnet quadratic cu…
Textures for Neutrino Mass Matrices
G. K. Leontaris, S. Lola, C. Scheich +1
We give a classification of heavy Majorana neutrino mass matrices with up to three texture zeroes, assuming the Dirac masses of the neutrinos to be of the same form as the ones of…
On certain cosmological relics of the early string dynamics
Nikolaos A Batakis
The tracing of cosmological relics from the early string dynamics may enhance the theory and provide new perspectives on the major cosmological problems. This point is illustrated…
SEARCHING FOR COLD DARK MATTER
J. D. Vergados
The differential cross-section for the elastic scattering of the lightest supersymmetric particle (LSP) with nuclear targets is calculated in the context of currently fashionable s…