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07 February 2025
 
  » arxiv » astro-ph/0412007

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Light Scalars and the Generation of Density Perturbations During Preheating or Inflaton Decay
Lotty Ackerman ; Christian W. Bauer ; Michael L. Graesser ; Mark B. Wise ;
Date 1 Dec 2004
Journal Phys.Lett. B611 (2005) 53-59 DOI: 10.1016/j.physletb.2005.01.096
Subject astro-ph hep-ph hep-th
AbstractReheating after inflation can occur through inflaton decay or efficient parametric resonant production of particles from the oscillation of the inflaton. If the particles produced interact with scalars that were light during inflation, then significant super-horizon density perturbations are generated during this era. These perturbations can be highly non-Gaussian.
Source arXiv, astro-ph/0412007
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