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How Generic Is Eternal Inflation?

Department of Physics, University of California Santa Cruz, 1156 High St., Santa Cruz, CA 95064, USA
Author to whom correspondence should be addressed.
Academic Editor: Gerald B. Cleaver
Received: 15 December 2021 / Revised: 14 April 2022 / Accepted: 23 May 2022 / Published: 31 May 2022
(This article belongs to the Special Issue Interdisciplinary Aspects of the Multiverse Concept)
Everlasting inflation has far-reaching implications for cosmology and the standing of self-localizing inferences made by observers, which have been subjects of renewed interest in light of the growing acceptance of theory landscapes and the attendant anthropic arguments. Under what assumptions and to what extent does inflation generically produce an eternal “multiverse,” without fine-tuning with respect to measures over the space of inflationary cosmologies driven by a single minimally coupled scalar field? We address this and related questions with numerical simulations of inflationary dynamics across populations of randomly generated inflation models, instantiating a few particular simply-defined measures. View Full-Text
Keywords: eternal inflation; measure problem; cosmology eternal inflation; measure problem; cosmology
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MDPI and ACS Style

Greenwood, R.; Aguirre, A. How Generic Is Eternal Inflation? Sci 2022, 4, 23.

AMA Style

Greenwood R, Aguirre A. How Generic Is Eternal Inflation? Sci. 2022; 4(2):23.

Chicago/Turabian Style

Greenwood, Ross, and Anthony Aguirre. 2022. "How Generic Is Eternal Inflation?" Sci 4, no. 2: 23.

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