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Simulating seeded vacuum decay in a cold atom system

Lookup NU author(s): Dr Thomas Billam, Professor Ian Moss

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Abstract

We propose to test the concept of seeded vacuum decay in cosmology using a Bose-Einstein condensate system. The role of the nucleation seed is played by a vortex within the condensate. We present two complementary theoretical analyses that demonstrate seeded decay is the dominant decay mechanism of the false vacuum. First, we adapt the standard instanton methods to the Gross-Pitaevskii equation. Second, we use the truncated Wigner method to study vacuum decay.


Publication metadata

Author(s): Billam TB, Gregory R, Michel F, Moss IG

Publication type: Article

Publication status: Published

Journal: Physical Review D

Year: 2019

Volume: 100

Issue: 6

Pages: 1-7

Print publication date: 23/09/2019

Online publication date: 23/09/2019

Acceptance date: 31/08/2019

Date deposited: 24/09/2019

ISSN (print): 2470-0010

ISSN (electronic): 2470-0029

Publisher: American Physical Society

URL: https://doi.org/10.1103/PhysRevD.100.065016

DOI: 10.1103/PhysRevD.100.065016


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