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New Semiclassical Picture of Vacuum Decay
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). University College London, United Kingdom.
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Number of Authors: 52019 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 123, no 3, article id 031601Article in journal (Refereed) Published
Abstract [en]

We introduce a new picture of vacuum decay which, in contrast to existing semiclassical techniques, provides a real-time description and does not rely on classically forbidden tunneling paths. Using lattice simulations, we observe vacuum decay via bubble formation by generating realizations of vacuum fluctuations and evolving with the classical equations of motion. The decay rate obtained from an ensemble of simulations is in excellent agreement with existing techniques. Future applications include bubble correlation functions, fast decay rates, and decay of nonvacuum states.

Place, publisher, year, edition, pages
2019. Vol. 123, no 3, article id 031601
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Physical Sciences
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URN: urn:nbn:se:su:diva-171652DOI: 10.1103/PhysRevLett.123.031601ISI: 000476696100002PubMedID: 31386458OAI: oai:DiVA.org:su-171652DiVA, id: diva2:1344688
Available from: 2019-08-21 Created: 2019-08-21 Last updated: 2019-08-21Bibliographically approved

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Braden, JonathanPeiris, Hiranya
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