30 citations · 64 across the 6 of their papers we have counts for
6 papers
Matter Creation in Unimodular Gravity Cosmology
Víctor H. Cárdenas, Miguel Cruz, Samuel Lepe
We investigate matter creation in the cosmological framework of unimodular gravity. We keep the energy density , pressure , particle number density , and particle number $…
Beyond Comoving Volume: Horizon Flux and Matter Creation in Modified Cosmology from the Unified First Law of Thermodynamics
Víctor H. Cárdenas, Miguel Cruz, Samuel Lepe
We explore the derivation of the Friedmann equations from a thermodynamic perspective, applying the unified first law of thermodynamics to the apparent horizon of a flat Friedmann-…
Generalized second law of thermodynamics for the matter creation scenario and emergence of phantom regime
Víctor H. Cárdenas, Miguel Cruz, Samuel Lepe
This work is focused on the exploration of the thermodynamics foundations of the matter creation scenario when a generalized form of the second law of thermodynamics for this schem…
Testing CDM cosmology in a binned universe: anomalies in the deceleration parameter
Erick Pastén, Victor Cárdenas
We study the reconstructed deceleration parameter splitting the data in different redshift bins, fitting both a cosmographic luminosity distance and also assuming a flat CDM mod…
A fractal LTB model cannot explain Dark Energy
Erick Pastén, Víctor H. Cárdenas
We revisited the problem of describing, on average, a fractal distribution of matter using a Lemaitre-Tolman-Bondi (LTB) solution. Here we study the fractal structure of our local…
Dark energy by natural evolution: Constraining dark energy using Approximate Bayesian Computation
Reginald Christian Bernardo, Daniela Grandón, Jackson Levi Said +1
We look at dark energy from a biology inspired viewpoint by means of the Approximate Bayesian Computation (ABC) and late time cosmological observations. We find that dynamical dark…