83 citations · 792 across the 29 of their papers we have counts for
6 papers · 1 filter
Reheating ACTs on Starobinsky and Higgs inflation
D. S. Zharov, O. O. Sobol, S. I. Vilchinskii
In the recent sixth data release (DR6) of the Atacama Cosmology Telescope (ACT) collaboration, the value of for the scalar spectral index is reported,…
Scalar perturbations from inflation in the presence of gauge fields
R. Durrer, R. von Eckardstein, Deepen Garg +3
We study how Abelian-gauge-field production during inflation affects scalar perturbations in the case when the gauge field interacts with the inflaton directly (by means of generic…
Gradient expansion formalism for magnetogenesis in the kinetic coupling model
O. O. Sobol, A. V. Lysenko, E. V. Gorbar +1
In order to describe magnetogenesis during inflation in the kinetic coupling model, we utilize a gradient expansion which is based on the fact that only long-wavelength (superhoriz…
Backreaction of electromagnetic fields and the Schwinger effect in pseudoscalar inflation magnetogenesis
O. O. Sobol, E. V. Gorbar, S. I. Vilchinskii
We study magnetogenesis in axionlike inflation driven by a pseudoscalar field coupled axially to the electromagnetic (EM) field with dimensionl…
Magnetogenesis during inflation and preheating in the Starobinsky model
S. Vilchinskii, O. Sobol, E. V. Gorbar +1
By assuming the kinetic coupling of the effective inflaton field with the electromagnetic field, we explore magnetogenesis during the inflation and preheating stag…
Post-inflationary preheating with weak coupling
Igor Rudenok, Yuri Shtanov, Stanislav Vilchinskii
Particle production in the background of an external classical oscillating field is a key process describing the stage of preheating after inflation. For sufficiently strong coupli…