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Lookup NU author(s): Professor Ian Moss,
Dr Chris Graham
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Thermal field theory is applied to particle production rates in inflationary models, leading to new results for catalyzed or two-stage decay, where massive fields act as decay channels for the production of light fields. A numerical investigation of the Boltzmann equation in an expanding universe shows that the particle distributions produced during small amplitude inflaton oscillations or even alongside slowly moving inflaton fields can thermalize.
Author(s): Moss IG, Graham C
Publication type: Article
Publication status: Published
Journal: Physical Review D
ISSN (print): 1550-7998
ISSN (electronic): 1089-4918
Publisher: American Physical Society
Notes: Article no. 123526
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