Dilaton cosmology and phenomenology

Abstract

This paper is dedicated to Gabriele Veneziano on his 65th birthday. Most of the results reported here are known results, due to Gabriele, or obtained in collaboration with him, or inspired by our joint work on string cosmology. A few new results are also presented concerning the duality invariance of a non-local dilaton coupling to the matter sources, and its possible cosmological applications in the context of the dark-energy scenario.

60 pages, 10 figures, to appear in "String theory and fundamental interactions: celebrating Gabriele Veneziano on his 65th birthday" (Lecture Notes in Physics, Springer-Verlag, Berlin/Heidelberg, 2007). A few references added and some typos corrected

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• Dilaton Interactions and the Anomalous Breaking of Scale Invariance of the Standard Model
• Dilaton cosmology and the Modified Uncertainty Principle
• Deformed phase space in a two dimensional minisuperspace model
• Holographic reconstruction of the k-essence and dilaton models
• Stability Analysis of the Cosmological Dynamics of $O(D,D)$-complete Stringy Gravity
• Studies on Conformal and Superconformal Extensions of the Standard Model with an Application to Gravity