The Inflationary Role of the Dilaton in String Cosmology

Details The Inflationary Role of the Dilaton in String Cosmology The Inflationary Role of the Dilaton in String Cosmology

1994-07-08

arxiv.org/abs/astro-ph/9407026v1

Astronomy and Astrophysics

Astrophysics

9 pages, plain tex, DFTT-29/94

Scientific paper

10.1007/3-540-60024-8_75

It is stressed that the kinematical problems of the standard cosmological model can be solved by a phase of accelerated contraction of the cosmic scale factor. Such a behaviour is only a particular case of a more general ``pre-big-bang" inflationary scenario, arising naturally in a string cosmology context, and driven asymptotically by the free dilaton field without any self-interaction potential and/or vacuum contribution.

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