Stochastic analysis of the initial condition constraints on chaotic inflation

Details Stochastic analysis of the initial condition constraints on chaotic inflation Stochastic analysis of the initial condition constraints on chaotic inflation

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..47.5280y&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 47, Issue 12, 15 June 1993, pp.5280-5294

Mathematics

Probability

13

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We use stochastic dynamics to examine the probability of successful inflation from various initial conditions at the Planck epoch. This approach allows us to approximate the effect of strong quantum fluctuations at the earliest epoch of inflation, including fluctuations in the local expansion rate. The well-known classical attractors along the slow-roll trajectory exist even when large quantum fluctuations in the early Planck epoch are included. However, our results suggest that a significant fraction of the initial condition phase space which leads to a successful inflationary stage in the classical analysis actually fails to inflate.

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