Solving the Graceful Exit Problem in Superstring Cosmology ∗
نویسنده
چکیده
We briefly review the status of the “graceful exit” problem in superstring cosmology and present a possible resolution. It is shown that there exists a solution to this problem in two-dimensional dilaton gravity provided quantum corrections are incorporated. This is similar to the recently proposed solution of Rey. However, unlike in his case, in our one-loop corrected model the graceful exit problem is solved for any finite number of massless scalar matter fields present in the theory. Pacs: 98.80.Cq, 04.60.Kz, 11.25.-w Typeset using REVTEX Based on talk given at Conference on Big Bang and Alternative Cosmologies: A Critical Appraisal, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India, January 1997. To appear in the proceedings to be published by the Journal of Astrophysics and Astronomy (The Indian Academy of Sciences). Electronic address: [email protected]
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