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Title: Particle decay in false vacuum

Abstract

We revisit the problem of decay of a metastable vacuum induced by the presence of a particle. For the bosons of the 'master field' the problem is solved in any number of dimensions in terms of the spontaneous decay rate of the false vacuum, while for a fermion we find a closed expression for the decay rate in (1+1) dimensions. It is shown that in the (1+1) dimensional case an infrared problem of one-loop correction to the decay rate of a boson is resolved due to a cancellation between soft modes of the field. We also find the boson decay rate in the 'sine-Gordon staircase' model in the limits of strong and weak coupling.

Authors:
;  [1];  [2]
  1. William I. Fine Theoretical Physics Institute, University of Minnesota, Minneapolis, Minnesota 55455 (United States)
  2. (Russian Federation)
Publication Date:
OSTI Identifier:
20795759
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. D, Particles Fields; Journal Volume: 73; Journal Issue: 2; Other Information: DOI: 10.1103/PhysRevD.73.025015; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BOSONS; CORRECTIONS; COUPLING; FERMIONS; ONE-DIMENSIONAL CALCULATIONS; PARTICLE DECAY; SINE-GORDON EQUATION; VACUUM STATES

Citation Formats

Gorsky, A., Voloshin, M. B., and Institute of Theoretical and Experimental Physics, Moscow, 117259. Particle decay in false vacuum. United States: N. p., 2006. Web. doi:10.1103/PHYSREVD.73.0.
Gorsky, A., Voloshin, M. B., & Institute of Theoretical and Experimental Physics, Moscow, 117259. Particle decay in false vacuum. United States. doi:10.1103/PHYSREVD.73.0.
Gorsky, A., Voloshin, M. B., and Institute of Theoretical and Experimental Physics, Moscow, 117259. Sun . "Particle decay in false vacuum". United States. doi:10.1103/PHYSREVD.73.0.
@article{osti_20795759,
title = {Particle decay in false vacuum},
author = {Gorsky, A. and Voloshin, M. B. and Institute of Theoretical and Experimental Physics, Moscow, 117259},
abstractNote = {We revisit the problem of decay of a metastable vacuum induced by the presence of a particle. For the bosons of the 'master field' the problem is solved in any number of dimensions in terms of the spontaneous decay rate of the false vacuum, while for a fermion we find a closed expression for the decay rate in (1+1) dimensions. It is shown that in the (1+1) dimensional case an infrared problem of one-loop correction to the decay rate of a boson is resolved due to a cancellation between soft modes of the field. We also find the boson decay rate in the 'sine-Gordon staircase' model in the limits of strong and weak coupling.},
doi = {10.1103/PHYSREVD.73.0},
journal = {Physical Review. D, Particles Fields},
number = 2,
volume = 73,
place = {United States},
year = {Sun Jan 15 00:00:00 EST 2006},
month = {Sun Jan 15 00:00:00 EST 2006}
}