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Hawking-Moss transition with a black hole seed

Lookup NU author(s): Professor Ian MossORCiD



This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


© 2020, The Author(s).We extend the concept of Hawking-Moss, or up-tunnelling, transitions in the early universe to include black hole seeds. The black hole greatly enhances the decay amplitude, however, order to have physically consistent results, we need to impose a new condition (automatically satisfied for the original Hawking-Moss instanton) that the cosmological horizon area should not increase during tunnelling. We motivate this conjecture physically in two ways. First, we look at the energetics of the process, using the formalism of extended black hole thermodynamics; secondly, we extend the stochastic inflationary formalism to include primordial black holes. Both of these methods give a physical substantiation of our conjecture.

Publication metadata

Author(s): Gregory R, Moss IG, Oshita N, Patrick S

Publication type: Article

Publication status: Published

Journal: Journal of High Energy Physics

Year: 2020

Volume: 2020

Issue: 9

Online publication date: 21/09/2020

Acceptance date: 25/08/2020

Date deposited: 27/11/2020

ISSN (electronic): 1029-8479

Publisher: Springer Science and Business Media Deutschland GmbH


DOI: 10.1007/JHEP09(2020)135


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