Power-law density fluctuations from inflation

Details Power-law density fluctuations from inflation Power-law density fluctuations from inflation

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..52.5486g&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 52, Issue 10, 15 November 1995, pp.5486-5497

Physics

5

Galaxy Groups, Clusters, And Superclusters, Large Scale Structure Of The Universe, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

Inflationary potentials which produce power-law density perturbations are examined. The models derived are dominated by a false vacuum energy at late times and inflate indefinitely. This paper also examines the effects on the fluctuation spectrum of reducing the potential to end inflation. Small reductions of the potential result in little change to the perturbation spectrum. The effect of a large reduction, however, is to change the sign of the slope of the fluctuation spectrum. The conditions required to produce n>1 fluctuations are also investigated.

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