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- W3106274702 endingPage "032" @default.
- W3106274702 startingPage "032" @default.
- W3106274702 abstract "We calculate particle production during inflation and in the early stages of reheating after inflation in models with a charged scalar field coupled to Abelian and non-Abelian gauge fields. A detailed analysis of the power spectra of primordial electric fields, magnetic fields and charge fluctuations at the end of inflation and preheating is provided. We carefully account for the Gauss constraints during inflation and preheating, and clarify the role of the longitudinal components of the electric field. We calculate the timescale for the back-reaction of the produced gauge fields on the inflaton condensate, marking the onset of non-linear evolution of the fields. We provide a prescription for initial conditions for lattice simulations necessary to capture the subsequent nonlinear dynamics. On the observational side, we find that the primordial magnetic fields generated are too small to explain the origin of magnetic fields on galactic scales and the charge fluctuations are well within observational bounds for the models considered in this paper." @default.
- W3106274702 created "2020-11-23" @default.
- W3106274702 creator A5058175996 @default.
- W3106274702 creator A5064929664 @default.
- W3106274702 date "2016-06-14" @default.
- W3106274702 modified "2023-09-29" @default.
- W3106274702 title "The charged inflaton and its gauge fields: preheating and initial conditions for reheating" @default.
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