Preheating in Supersymmetric Theories
arXiv:hep-ph/0211369 · doi:10.1103/PhysRevD.68.063515
Abstract
We examine the particle production via preheating at the end of inflation in supersymmetric theories. The inflaton and matter scalars are now necessarily complex fields, and their relevant interactions are restricted by holomorphy. In general this leads to major changes both in the inflaton dynamics and in the efficiency of the preheating process. In addition, supersymmetric models generically contain multiple isolated vacua, raising the possibility of non-thermal production of dangerous topological defects. Because of these effects, the success of leptogenesis or WIMPZILLA production via preheating depends much more sensitively on the detailed parameters in the inflaton sector than previously thought.
24 pages, 3 figures; references added
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- Revisiting the cosmological coherent oscillation