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arXiv:1412.7814 [hep-ph]AbstractReferencesReviewsResources

Effects of thermal fluctuations on thermal inflation

Takashi Hiramatsu, Yuhei Miyamoto, Jun'ichi Yokoyama

Published 2014-12-25Version 1

The mechanism of thermal inflation, a relatively short period of accelerated expansion after primordial inflation, is a desirable ingredient for a certain class of particle physics models if they are not to be in contention with the cosmology of the early Universe. Though thermal inflation is most simply described in terms of a thermal effective potential, a thermal environment also gives rise to thermal fluctuations that must be taken into account. We numerically study the effects of these thermal fluctuations using lattice simulations. We conclude that though they do not ruin the thermal inflation scenario, the phase transition at the end of thermal inflation proceeds through phase mixing and is therefore not accompanied by the formations of bubbles nor appreciable amplitude of gravitational waves.

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