Initial-condition dependence of inflationary-universe models

Details Initial-condition dependence of inflationary-universe models Initial-condition dependence of inflationary-universe models

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvd..40.2532k&link_type=abstract

Physical Review D (Particles and Fields), Volume 40, Issue 8, 15 October 1989, pp.2532-2541

Physics

21

Scientific paper

An analytical and numerical study of the effects of initial conditions on the evolution of a classical scalar field is presented. In this model, matter consists of a scalar field and a radiation bath. The initial energy density of the scalar field is taken to be equal to the energy density of one degree of freedom of the radiation bath. Even for this subspace of the space of initial conditions, three very different scenarios are possible. One may get chaotic inflation, dynamical relaxation, or a tension energy-dominated universe which results in no inflation. The phase space for each of these scenarios is determined.

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