Marginally Eternal Inflation

2007/02/13 by Izawa, K. -I.
#FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)

paper · doi:10.48550/arxiv.hep-ph/0702127

Abstract

We examine the amount of parameter tuning to make slow-roll inflation marginally eternal by considering an R-invariant chaotic inflation as an example of one-parameter tuning in supergravity. The primordial inflation turns out to be possibly marginal in such a setup.

Related

• Eternal inflation near inflection points: a challenge to primordial black hole models
• Eternal Inflation is "Expensive"
• A Power-law Inflation Tail for the Standard R²-Inflation and the Trans-Planckian Censorship Conjecture
• How generic is eternal inflation?
• Inflation