Inflationary Reheating and Fermions

Details Inflationary Reheating and Fermions Inflationary Reheating and Fermions

1999-05-05

arxiv.org/abs/hep-ph/9905256v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, LaTeX, uses aipproc.sty and epsf.sty, 4 eps figs included. Based on an invited talk at the 2nd International Workshop

Scientific paper

10.1063/1.59436

Coherent oscillations of the inflaton field at the end of inflation can parametrically excite fermions in much the same way that bosons are created in preheating. Although Pauli-blocking prohibits the occupation number of created fermions from growing exponentially, fermion production occurs in a manner significantly different from the expectations of simple perturbation theory. Here, I discuss the nature of fermion production after inflation and possible applications including the efficient transfer of inflaton energy and the production of super-massive fermions during fermionic preheating.

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