Tachyon Condensates and String Theoretic Inflation

Details Tachyon Condensates and String Theoretic Inflation Tachyon Condensates and String Theoretic Inflation

1993-04-13

arxiv.org/abs/hep-th/9304048v1

Nucl.Phys.B416:881-894,1994

Physics

High Energy Physics

High Energy Physics - Theory

FERMI-PUB 93/074-T, harvmac, 16 pages

Scientific paper

10.1016/0550-3213(94)90559-2

Cosmological solutions of the beta function equations for the background fields of the closed bosonic string are investigated at the one-loop level. Following recent work of Kostelecky and Perry, it is assumed that the spatial sections of the space-time are conformally flat. Working in the sigma-model frame, the non-trivial tachyon potential is utilized to determine solutions with sufficient inflation to solve the smoothness and flatness problems. The graceful exit and density perturbation constraints can also be successfully implemented.

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