A No-Go Theorem in String Cosmology

Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology

Scientific paper

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7 pages, latex, no figures, contributed talk at the 6th Canadian Conference on General Relativity and Relativistic Astrophysic

Scientific paper

A no-go theorem pertaining to the graceful exit problem in Pre-Big-Bang
inflation is reviewed. It is shown that dilaton self-interactions and string
fluid sources fail to facilitate branch changing necessary to avoid
singularities. A comment on the failure of the higher genus corrections to
induce graceful exit is also included.

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