52 citations · 554 across the 29 of their papers we have counts for
6 papers · 1 filter
G-Warm inflation: Intermediate model
Ramon Herrera, Nelson Videla, Marco Olivares
A warm-intermediate inflationary universe model is studied in the presence of the Galileon coupling . General conditions required for successful inflation are deduced…
Baryogenesis via leptogenesis in multi-field inflation
Grigoris Panotopoulos, Nelson Videla
In multi-field reheating after modular -inflation we investigate the conditions under which baryogenesis via non-thermal leptogenesis can be successfully realized. We introduce…
Growth of matter overdensities in non-minimal torsion-matter coupling theories
Manuel Gonzalez-Espinoza, Giovanni Otalora, Joel Saavedra +1
We study the evolution of cosmological perturbations around a homogeneous and isotropic background in the framework of the non-minimal torsion-matter coupling extension of g…
G-inflation: From the intermediate, logamediate and exponential models
Ramon Herrera, Nelson Videla, Marco Olivares
The intermediate, logamediate and exponential inflationary models in the context of Galileon inflation or G-inflation are studied. By assuming a coupling of the form $G(ϕ,X)\propto…
Covariant evolution of perturbations during reheating in two-field inflation
Pablo González, Gonzalo A. Palma, Nelson Videla
We develop a covariant method for studying the effects of a reheating phase on the primordial adiabatic and isocurvature perturbations in two-field models of inflation. To model th…
Inflation from a nonlinear magnetic monopole field nonminimally coupled to curvature
Giovanni Otalora, Ali Övgün, Joel Saavedra +1
In the context of nonminimally coupled gravity theories, we study early inflation driven by a nonlinear monopole magnetic field which is nonminimally coupled to curvature. I…