Finite Temperature Effects and Axion Cosmology

Details Finite Temperature Effects and Axion Cosmology Finite Temperature Effects and Axion Cosmology

2006-05-08

arxiv.org/abs/hep-ph/0605082v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures

Scientific paper

We investigate the impact of finite temperature effects on axions in the context of cosmology. The temperature dependence of the decay constant is modeled analogous to pions. For the two interesting cases considered here, we find that the temperature effects do lead to changes relevant for detailed and precise abundance and rate calculations. We also find that the axion decoupling temperature starts showing large deviations for larger values of the axion decay constant.

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