809 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of ValparaísoCL15 papers
- Federico Santa María Technical UniversityCL7 papers
- Centro Científico Tecnológico de ValparaísoCL6 papers
- Millennium Institute for Subatomic Physics at High-Energy Frontier, Saphir6 papers
- Millennium Institute of AstrophysicsCL6 papers
- Pontificia Universidad Católica de ValparaísoCL6 papers
- Universidad Andrés BelloCL6 papers
- European Southern ObservatoryCL5 papers
- University of TarapacáCL5 papers
- Millennium Science InitiativeCL4 papers
- Centre National de la Recherche ScientifiqueFR3 papers
- Instituto de Astrofísica de CanariasES3 papers
35 papers
Infrared-excess sources in VVV: candidate debris discs, SED characterization, and variability analysis
P. Esteves, R. K. Saito, C. Chavero +9
Debris disks around main-sequence stars provide important insights into planetary formation and evolution; however, identifying these systems in the Galactic plane, where high inte…
Thermodynamic behavior of cosmological models with fractional entropy
Miguel Cruz, Diego da Silva, Simón González +3
We investigate the thermodynamic and phenomenological implications of a cosmological model governed by fractional entropy applied to the apparent horizon of a flat Friedmann-Lemaît…
A novel two loop inverse seesaw model
Gonzalo Benítez-Irarrázabal, Rocío Branada Balbontín, Cesar Bonilla +3
We propose a Standard Model (SM) extension where neutrinos get masses through a two-loop inverse seesaw mechanism. This naturally explains the smallness of the neutrino masses and…
Slow-Fast Evolution of Scalar Fields in Higher-Order Cosmological Gravity: Dynamics Inspired by the Pais--Uhlenbeck Oscillator
Manuel Gonzalez-Espinoza, Genly Leon, Yoelsy Leyva +3
We investigate the cosmological dynamics of scalar fields governed by higher-order gravity, with particular emphasis on models inspired by the Pais-Uhlenbeck oscillator--a prototyp…
Searching for new variable white dwarfs: The discovery of the three new pulsating and three new binary systems
Larissa Antunes Amaral, Maja Vučković, Ingrid Pelisoli +3
In recent years, approximately 150 low-mass white dwarfs (WDs), typically with masses below 0.4 solar masses, have been discovered. Observational evidence indicates that most of th…
Multi-wavelength study of OT 081: broadband modelling of a transitional blazar
MAGIC Collaboration, H. Abe, S. Abe +270
OT 081 is a well-known, luminous blazar that is remarkably variable in many energy bands. We present the first broadband study of the source which includes very-high-energy (VHE, $…
Photoproduction of pairs in CGC framework
M. Siddikov, I. Zemlyakov, M. Roa +1
In this paper we analyzed the exclusive photoproduction of pairs in the Color Glass Condensate framework. We found that the cross-section of this process is sensitive only…
Inflation in a scalar-vector gravity theory
Manuel Gonzalez-Espinoza, Ramon Herrera
We study the possibility that inflation is driven by a scalar field together with a vector field minimally coupled to gravity. By assuming an effective potential that incorporates…
Predictive linear seesaw model with family symmetry
A. E. Cárcamo Hernández, Ivo de Medeiros Varzielas, Juan Marchant González
We consider a model that accounts for the smallness of neutrino masses through the linear seesaw mechanism and employs a family symmetry to address the flavour problem. The…
Screening fifth forces in scalar-vector-tensor theories
Manuel Gonzalez-Espinoza, Giovanni Otalora, Lucila Kraiselburd +1
We study a screening mechanism in the context of scalar-vector-tensor (SVT) theories. This screening mechanism is based on both the derivative self-interactions of the vector field…
CGC and saturation approach: Impact-parameter dependent model of perturbative QCD and combined HERA data
Michael Roa, José Garrido, Miguel Guevara
In this paper we confront the CGC/saturation approach of Ref.~\cite{CLMS} with the experimental combined HERA data and obtain its parameters. The model includes two features that a…
Revisiting the dynamics of interacting vector-like dark energy
Carlos Rodriguez-Benites, Manuel Gonzalez-Espinoza, Giovanni Otalora +1
We revise the dynamics of interacting vector-like dark energy, a theoretical framework proposed to explain the accelerated expansion of the universe. By investigating the interacti…
Flares, Warps, Truncations, and Satellite: The Ultra-thin Galaxy UGC 11859
Luis Ossa-Fuentes, Alejandro S. Borlaff, John E. Beckman +2
The structure of the outskrits of galaxies provides valuable information about their past and evolution. Due to their projected orientation, edge-on isolated galaxies effectively s…
Dark Matter from a Radiative Inverse Seesaw Majoron Model
Cesar Bonilla, A. E. Cárcamo Hernández, Bastián Díaz Sáez +2
We propose a Majoron-like extension of the Standard Model with an extra global -symmetry where neutrino masses are generated through an inverse seesaw mechanism at the 1-lo…
Phase-space analysis of torsion-coupled dilatonic ghost condensate
Manuel Gonzalez-Espinoza, Giovanni Otalora, Yoelsy Leyva +1
We studied the cosmological dynamics of a dilatonic ghost condensate field as a source of dark energy, which is non-minimally coupled to gravity through torsion. We performed a det…
Phenomenological aspects of the fermion and scalar sectors of a flavored 3-3-1 model
A. E. Cárcamo Hernández, Juan Marchant González, M. L. Mora-Urrutia +1
We proposed a viable and predictive model based on the gauge symmetry, supplemented by the global symmetry, the family symm…
Persistent and occasional: searching for the variable population of the ZTF/4MOST sky using ZTF data release 11
P. Sánchez-Sáez, J. Arredondo, A. Bayo +13
We present a variability, color and morphology based classifier, designed to identify transients, persistently variable, and non-variable sources, from the Zwicky Transient Facilit…
Apocenter pile-up and arcs: a narrow dust ring around HD 129590
Johan Olofsson, Philippe Thébault, Amelia Bayo +6
Observations of debris disks have significantly improved over the past decades, both in terms of sensitivity and spatial resolution. At near-infrared wavelengths, new observing str…
Fermion masses and mixings and muon anomaly in a flavored 2HDM
V. V. Vien, H. N. Long, A. E. Cárcamo Hernández +1
We propose an extended 2HDM with symmetry that can successfully accommodate the SM fermion mass and mixing hierarchy. The tiny masses of the active neutri…
Dynamics of dark energy in a scalar-vector-torsion theory
Manuel Gonzalez-Espinoza, Giovanni Otalora, Yoelsy Leyva +1
We study the cosmological dynamics of dark energy in a scalar-vector-torsion theory. The vector field is described by the cosmic triad and the scalar field is of the quintessence t…
Phenomenology of extended multiHiggs doublet models with family symmetry
A. E. Cárcamo Hernández, Catalina Espinoza, Juan Carlos Gómez-Izquierdo +2
We propose extended 3HDM and 4HDM models where the SM gauge symmetry is enlarged by the spontaneously broken group, the preserved and broken cyclic symmetries. Ea…
Diseases on complex networks. Modeling from a database and a protection strategy proposal
Ronald Manríquez, Camilo Guerrero-Nancuante
Among the diverse and important applications that networks currently have is the modeling of infectious diseases. Immunization, or the process of protecting nodes in the network, p…
The G 305 Star-forming Region: II. Irregular variable stars
N. Medina, J. Borissova, R. Kurtev +11
We present a catalog of 167 newly discovered, irregular variables spanning a 7 deg area that encompasses the G 305 star-forming complex, one of the most luminous giant…
Constraining X-ray reflection in the low-luminosity AGN NGC 3718 using NuSTAR and XMM--Newton
Y. Diaz, P. Arévalo, L. Hernández-García +9
One distinctive feature of low-luminosity active galactic nuclei (LLAGN) is the relatively weak reflection features they may display in the X-ray spectrum, which can result from th…