The Benefits of String Cosmology
نویسنده
چکیده
In this paper we discuss D-Brane/Antibrane inflation as a concrete example of a bottom-up approach in string cosmology. After introducing the standard cosmology, inflation, we turn to the dynamics of D-branes, and find that an open string mode between the branes becomes tachyonic when the branes get to a critical distance. We then obtain a realization of hybrid inflation with two relevant fields having well defined stringy origin. Furthermore, a cascade scenario is proposed with a configuration of a gas of branes and antibranes with four large dimensions. ∗[email protected]
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