Eternal Chaotic Inflation is Prohibited by Weak Gravity Conjecture

Details Eternal Chaotic Inflation is Prohibited by Weak Gravity Conjecture Eternal Chaotic Inflation is Prohibited by Weak Gravity Conjecture

2007-07-24

arxiv.org/abs/0707.3471v1

JCAP0709:013,2007

Physics

High Energy Physics

High Energy Physics - Theory

10 pages

Scientific paper

10.1088/1475-7516/2007/09/013

We investigate whether the eternal chaotic inflation can be achieved when the weak gravity conjecture is taken into account. We show that even the assisted chaotic inflation with potential $\lambda\phi^4$ or $m^2\phi^2$ can not be eternal. The effective field theory description for the inflaton field breaks down before inflation reaches the eternal regime. We also find that the total number of e-folds is still bounded by the inflationary entropy for the assisted inflation.

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