Geodesic measures of the landscape

Vitaly Vanchurin

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

We study the landscape models of eternal inflation with an arbitrary number of different vacua states, both recyclable and terminal. We calculate the abundances of bubbles following different geodesics. We show that the results obtained from generic timelike geodesics have dependence on initial conditions. In contrast, the predictions extracted from "eternal" geodesics, which never enter terminal vacua, do not suffer from this problem. We derive measure equations for ensembles of geodesics and discuss possible interpretations of initial conditions in eternal inflation.

Original languageEnglish (US)
Article number023524
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume75
Issue number2
DOIs
StatePublished - 2007

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