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Tunneling in Stochastic Inflation

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arxiv 1806.09634 v4 pith:R6KCP7B5 submitted 2018-06-25 hep-th astro-ph.COgr-qc

Mahdiyar Noorbala , Vincent Vennin , Hooshyar Assadullahi , Hassan Firouzjahi , David Wands This is my paper · ORCID
classification hep-thastro-ph.COgr-qc
keywords inflationpotentialcasedecaylocalstochasticapplicablecalculation
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The relative probability to decay towards different vacua during inflation is studied. The calculation is performed in single-field slow-roll potentials using the stochastic inflation formalism. Various situations are investigated, including falling from a local maximum of the potential and escaping from a local minimum. In the latter case, our result is consistent with that of Hawking and Moss, but is applicable to any potential. The decay rates are also computed, and the case of a generic potential with multiple minima and maxima is discussed.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Deviations from Gaussian White Noise in Stochastic Inflation

    gr-qc 2025-12 conditional novelty 6.0 of 10

    Relaxing the sharp cutoff or the Bunch-Davies initial state in stochastic inflation makes the noise colored, and relaxing the initial state also makes it non-Gaussian.

  2. Stochastic inflation with an extremely large number of $e$-folds

    hep-ph 2019-08 accept novelty 6.0 of 10

    A shallow local minimum added to a hilltop inflation potential can make the typical number of e-folds as large as 10^(10^10), enough for light scalars to reach Bunch-Davies equilibrium.

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