31 citations · 156 across the 20 of their papers we have counts for
20 papers
Averaging Dynamics of Scalar Field-Matter Interacting Models in Anisotropic Universes: The Locally Rotationally Symmetric Bianchi I Spacetime
Alfredo D. Millano, Genly Leon, Andronikos Paliathanasis
We consider an anisotropic cosmological model based on the locally rotational Bianchi I spacetime, incorporating a scalar field and a non-zero cosmological interaction term. The fr…
Fractional Einstein-Gauss-Bonnet scalar field cosmology
Bayron Micolta-Riascos, Alfredo D. Millano, Genly Leon +3
Our paper introduces a new theoretical framework called the Fractional Einstein--Gauss--Bonnet scalar field cosmology, which has important physical implications. Using fractional c…
Dynamics of a higher-dimension Einstein-Scalar-Gauss-Bonnet cosmology
Alfredo D. Millano, Claudio Michea, Genly Leon +1
We study the dynamics of the field equations in a five-dimensional spatially flat Friedmann-Lemaître-Robertson-Walker metric in the context of a Gauss-Bonnet-Scalar field theory wh…
Kantowski-Sachs and Bianchi III dynamics in -gravity
Alfredo D. Millano, K. Dialektopoulos, N. Dimakis +4
We explore the phase-space of homogeneous and anisotropic spacetimes within symmetric teleparallel -gravity. Specifically, we consider the Kantowski-Sachs and locally rotatio…
Conformal and Non-Minimal Couplings in Fractional Cosmology
Kevin Marroquín, Genly Leon, Alfredo D. Millano +2
Fractional differential calculus is a mathematical tool that has found applications in the study of social and physical behaviors considered ``anomalous''. It is often used when tr…
Averaging generalized scalar field cosmologies IV: locally rotationally symmetric Bianchi V model
Alfredo D. Millano, Genly Leon
This research focuses on scalar field cosmologies with a generalized harmonic potential. Our attention is centred on the anisotropic LRS Bianchi I and III metrics, Bianchi V metric…
Dynamical system analysis in multiscalar-torsion cosmology
Genly Leon, Andronikos Paliathanasis, Alfredo D. Millano
We explore the phase-space of a multiscalar-torsion gravitational theory within a cosmological framework characterized by a spatially flat Friedmann-Lema\^ıtre-Robertson-Walker mod…
Global dynamics in Einstein-Gauss-Bonnet scalar field cosmology with matter
Alfredo D. Millano, Genly Leon, Andronikos Paliathanasis
We study the dynamics of the field equations in a four-dimensional isotropic and homogeneous spatially flat Friedmann--Lema\^ıtre--Robertson--Walker geometry in the context of Eins…
Dark Universe Phenomenology from Yukawa Potential?
Kimet Jusufi, Genly Leon, Alfredo D. Millano
We argue that the effect of cold dark matter in the cosmological setup can be explained by the coupling between the baryonic matter particles in terms of the long-range force havin…
Phase-space analysis of an Einstein-Gauss-Bonnet scalar field cosmology
Alfredo D. Millano, Genly Leon, Andronikos Paliathanasis
We perform a detailed study of the phase-space of the field equations of an Einstein-Gauss-Bonnet scalar field cosmology for a spatially flat Friedmann--Lema\^ıtre--Robertson--Walk…
Revisiting Fractional Cosmology
Bayron Micolta-Riascos, Alfredo D. Millano, Genly Leon +2
Recently, the research community has been exploring fractional calculus to address problems related to cosmology; in this approach, the gravitational action integral is altered, le…
Phase space analysis of the bouncing universe with stringy effects
Alfredo D. Millano, Kimet Jusufi, Genly Leon
We use the recently modified Friedmann equations obtained from string T-duality effects that encode the zero-point length (Phys. Lett. B 836 (2023), 137621) to study the phase spac…
Scalar Field cosmology from a Modified Poisson Algebra
Genly Leon, Alfredo D. Millano, Andronikos Paliathanasis
We investigate the phase space of a scalar field theory obtained by minisuperspace deformation. We consider quintessence or phantom scalar fields in the action which arise from min…
Observational constraints and dynamical analysis of Kaniadakis horizon-entropy cosmology
A. Hernández-Almada, Genly Leon, Juan Magaña +5
We study the scenario of Kanadiakis horizon entropy cosmology which arises from the application of the gravity-thermodynamics conjecture using the Kaniadakis modified entropy. The…
Averaging generalized scalar field cosmologies III: Kantowski--Sachs and closed Friedmann--Lemaître--Robertson--Walker models
Genly Leon, Esteban González, Samuel Lepe +2
Scalar field cosmologies with a generalized harmonic potential and matter with energy density , pressure , and barotropic equation of state (EoS) $p_m=(γ-1)ρ_m, \; γ\in[0…
Averaging Generalized Scalar Field Cosmologies II: Locally Rotationally Symmetric Bianchi I and flat Friedmann-Lemaître-Robertson-Walker models
Genly Leon, Sebastián Cuéllar, Esteban González +3
Scalar field cosmologies with a generalized harmonic potential and a matter fluid with a barotropic Equation of State (EoS) with barotropic index for the Locally Rotationally S…
Averaging Generalized Scalar Field Cosmologies I: Locally Rotationally Symmetric Bianchi III and open Friedmann-Lemaître-Robertson-Walker models
Genly Leon, Esteban González, Samuel Lepe +2
Scalar field cosmologies with a generalized harmonic potential and a matter fluid with a barotropic Equation of State (EoS) with barotropic index for Locally Rotationally Symme…
Einstein-aether models III: conformally static metrics, perfect fluid and scalar fields
Genly Leon, Alfredo Millano, Joey Latta
The asymptotic properties of conformally static metrics in Einstein-aether theory with a perfect fluid source and a scalar field are analyzed. In case of perfect fluid, some relati…
Qualitative analysis of Einstein-aether models with perfect fluid and scalar fields
Alfredo Millano
The space of the solutions of the differential equations resulting from considering matter fluids of scalar field type or perfect fluid in Einstein-aether theory is analyzed. The E…
A Perturbative Analysis of Interacting Scalar Field Cosmologies
Genly Leon, Esteban González, Alfredo D. Millano +1
Scalar field cosmologies with a generalized harmonic potential are investigated in flat and negatively curved Friedmann-Lemaître-Robertson-Walker and Bianchi I metrics. An interact…