String Cosmology: Concepts and Consequences

Abstract

After recalling a few basic concepts from cosmology and string theory, I will discuss the main ideas/assumptions underlying string cosmology and show how these lead to a two-parameter family of ``minimal" models. I will then explain how to compute, in terms of those parameters, the spectrum of scalar, tensor and electromagnetic perturbations, point at their ($T$ and $S$-type) duality symmetries, and mention their most relevant physical consequences.

21p, latex, epsf, 3 figures in uuencoded file

References in corpus (2)

• Electromagnetic Origin of the CMB Anisotropy in String Cosmology
• Status of String Cosmology: Phenomenological Aspects

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• Non-perturbative Treatments of the Bosonic String and the Axion with Cosmological Implications
• The Holography Hypothesis in Pre-Big-Bang Cosmology with String Sources