Chaotic Inflation on the Brane with Induced Gravity

Abstract

We study the slow-roll inflationary dynamics in a self-gravitating induced gravity braneworld model with bulk cosmological constant. For E \gg M_{5}^{3}/M^{2}_{2} we find important corrections to the four-dimensional Friedmann equation which bring the standard chaotic inflationary scenario in closer agreement with recent observations. For λ/M^{3}_{5} \ll E \ll M^{3}_{5}/M^{2}_{4} we find five-dimensional corrections to the Friedmann equation, which give the known Randall-Sundrum results of the inflationary parameters.

LaTex file, 21 pages, 3 figures, the energy scales are redefined, new results on the chaotic inflation, typos are corrected. Accepted for publication in JCAP

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