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Effective action for bubble nucleation rates

Lookup NU author(s): Professor Ian Moss, Wade Naylor

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Abstract

We develop a method to calculate the prefactor in the expression for the bubble nucleation rate. A fermion with Yukawa coupling is considered where a step potential can be used as a good approximation in the thin wall limit. Corrections due to thicker walls are investigated by perturbing about the thin wall case. We derive the thermal one loop effective action, calculating it numerically, and find that the prefactor in the nucleation rate can both suppress and enhance, for a given temperature, when the usual renormalisation conditions are applied to the effective potential. (C) 2002 Elsevier Science B.V. All rights reserved.


Publication metadata

Author(s): Moss IG; Naylor W

Publication type: Article

Publication status: Published

Journal: Nuclear Physics B

Year: 2002

Volume: 632

Issue: 1-3

Pages: 173-188

ISSN (print): 0550-3213

ISSN (electronic): 1873-1562

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/S0550-3213(02)00246-8

DOI: 10.1016/S0550-3213(02)00246-8


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