Inflatonic Solitons In Running Mass Inflation

Details Inflatonic Solitons In Running Mass Inflation Inflatonic Solitons In Running Mass Inflation

2002-06-26

arxiv.org/abs/hep-ph/0206272v1

Phys.Rev. D66 (2002) 043505

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, RevTeX, 12 postscript figures included

Scientific paper

10.1103/PhysRevD.66.043505

The inflaton condensate associated with a global symmetry can fragment into quasistable Q balls, provided the inflaton oscillations give rise to an effective equation of state with negative pressure. We study chaotic inflation with a running inflaton mass and show that, depending on the sign of the radiative mass correction, the process of fragmentation into inflatonic Q balls can actually take place even though no net charge exists. If the main decay channel of the Q ball is to fermions, the universe will be reheated slowly via surface evaporation.

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