3 papers
gr-qc2025
(Pre)-Inflationary Dynamics with Starobinsky Potential in Noncommutative Effective LQC
Luis Rey Díaz-Barrón, Abraham Espinoza-García, Sinuhé Pérez-Payán +1
In this work, we investigate the (pre)-inflationary dynamics of a flat, homogeneous, and isotropic universe governed by the Starobinsky potential within the framework of noncommuta…
gr-qc2025
F(R,..) theories from the point of view of the Hamiltonian approach: non-vacuum Anisotropic Bianchi type I cosmological model
J. Socorro, Juan Luis Pérez, Luis Rey Díaz-Barrón +2
In this work, we will explore the effects of F(R) theories in the classical scheme using the anisotropic Bianchi Type I cosmological model with standard matter employing a barotrop…
gr-qc2021
Anisotropic chiral cosmology: exact solutions
Luis Rey Díaz-Barrón, Abraham Espinoza-García, S. Pérez-Payán +1
In this work, we investigate the anisotropic Bianchi type I cosmological model in the chiral setup, in a twofold manner. Firstly, we consider a quintessence plus a k-essence like m…