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High Density Preheating Effects onQ-Ball Decays and Inflation in the Minimal Supersymmetric Standard Model

2005/10/14 by Micha Berkooz, Daniel J. H. Chung, Tomer Volansky · 1 citation
Mathematics · Physics and Astronomy · #Ball (mathematics) #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Dissociation (chemistry) #Galaxies: Formation, Evolution, Phenomena #Geometry #Inverse #Mathematics #Multiplicative function #Particle physics #Physical chemistry #Physics #Theoretical physics #astro-ph #hep-ph

paper · pdf · doi:10.1103/physrevlett.96.031303

published as Phys.Rev.Lett. 96 (2006) 031303 · 4 pages

arxiv created 2005/10/14 · openalex publication_date 2006/01/27 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Nonperturbative preheating decay of postinflationary condensates often results in a high density, low momenta, nonthermal gas. In the case where the nonperturbative classical evolution also leads to Q balls, this effect shields them from instant dissociation, and may radically change the thermal history of the Universe. For example, in a large class of inflationary scenarios, motivated by the minimal supersymmetric standard model and its embedding in string theory, the reheat temperature changes by a multiplicative factor of 10(12).

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