1 citations · 1 across the 5 of their papers we have counts for
6 papers
Neutrino mixing and gravitational production via inflation
Oleg Lebedev, Jong-Hyun Yoon
We develop the Bogolyubov coefficient formalism for gravitational production of fermions with time-dependent mixing, which allows us to study a prototype neutrino system. The neutr…
Primordial Black Hole Hotspots Beyond Flat Spacetime
Doojin Kim, TaeHun Kim, Jong-Chul Park +1
Light primordial black holes heat the surrounding plasma via Hawking radiation, forming localized hotspots whose temperature may far exceed that of the cosmological background. Pre…
Boltzmann Equation Solver for Thermalization
Jong-Hyun Yoon
We present BEST (Boltzmann Equation Solver for Thermalization), a Python framework for solving the momentum-resolved Boltzmann equation for arbitrary s…
Taming the dark photon production via a non-minimal coupling to gravity
Oleg Lebedev, Jong-Hyun Yoon
Inflationary production of massive dark photons with non-minimal couplings to gravity shows surprising growth at large momenta. These couplings appear in the effective low energy d…
Preheating with deep learning
Jong-Hyun Yoon, Simon Cléry, Mathieu Gross +1
We apply deep learning techniques to the late-time turbulent regime in a post-inflationary model where a real scalar inflaton field and the standard model Higgs doublet interact wi…
Effects of Fragmentation on Post-Inflationary Reheating
Marcos A. G. Garcia, Mathieu Gross, Yann Mambrini +3
We consider the effects of fragmentation on the post-inflationary epoch of reheating. In simple single field models of inflation, an inflaton condensate undergoes an oscillatory ph…