108 citations · 441 across the 22 of their papers we have counts for
23 papers
From Threshold Crossing to Wave-function Renormalization: Defining the Pion Mott Temperature in a Magnetic Field
Sidney S. Avancini, Maximo Coppola, Dyana C. Duarte +3
We investigate the dissociation of the neutral pion in hot magnetized quark matter within the two-flavor Nambu--Jona-Lasinio model. At zero magnetic field, the Mott temperature is…
Robust Finite-Momentum Instabilities in Dense Matter
André G. da Silva, Ricardo L. S. Farias, Theo Motta +1
The predicted extent of inhomogeneous chiral phases in effective models of quantum chromodynamics is notoriously sensitive to ultraviolet regularization. We show that this sensitiv…
Magnetic enhancement and Hall conductivity of excitonic insulators in a Gross--Neveu type model
William R. Tavares, Rudnei O. Ramos, Nei Lopes
We study the effects of a perpendicular magnetic field on the excitonic insulator (EI) phase in the semiconductor regime using an extended planar four-Fermi model. Within the large…
Dense and Cold Magnetized Quark Matter: A Review of Magnetic-Field-Independent Regularization and the Medium Separation Scheme
Francisco X. Azeredo, Dyana C. Duarte, Ricardo L. S. Farias +3
We present a comprehensive review of regularization schemes for magnetized dense quark matter within effective models of quantum chromodynamics, focusing on the Magnetic-Field-Inde…
Two-flavor chirally imbalanced quark matter beyond large
André G. da Silva, Dyana C. Duarte, Ricardo L. S. Farias +3
We investigate a chirally imbalanced medium in the context of the two-flavor Nambu--Jona-Lasinio model using both the large- (LN) and beyond large- (BLN) approximations.…
Chiral and deconfinement transitions in spin-polarized quark matter
Ricardo L. S. Farias, William R. Tavares
We investigate the influence of spin polarization in strongly interacting matter by introducing a finite spin potential, , which effectively controls the spin density of the s…
Strongly interacting matter in extreme magnetic fields
Prabal Adhikari, Martin Ammon, Sidney S. Avancini +58
Magnetic fields are ubiquitous across different physical systems of current interest; from the early Universe, compact astrophysical objects and heavy-ion collisions to condensed m…
Chiral vortical catalysis constrained by LQCD simulations
Rodrigo M. Nunes, Ricardo L. S. Farias, William R. Tavares +1
Evidences of vortical effects have been recently found by experiments in heavy ion collisions, instigating new insights into the phase diagram of quantum chromodynamics (QCD). Cons…
Thermomagnetic effects on light pseudo-scalar meson masses within the SU(3) Nambu-Jona--Lasinio model
Máximo Coppola, William R. Tavares, Sidney S. Avancini +2
We calculate the screening masses of pseudoscalar mesons in a hot and strongly magnetized medium within the framework of the SU(3) Nambu-Jona--Lasinio model, using a magnetic field…
Charged scalars at finite electric field and temperature in the optimized perturbation theory
William R. Tavares, Rudnei O. Ramos, Ricardo L. S. Farias +1
We study the symmetry breaking and restoration behavior of a self-interacting charged scalar field theory under the influence of a constant electric field and finite temperature. O…
Artificial first-order phase transition in a magnetized Nambu--Jona-Lasinio model with a quark anomalous magnetic moment
William R. Tavares, Sidney S. Avancini, Ricardo L. S. Farias +1
Recently, first-order phase transitions have been predicted as an effect of the inclusion of quark anomalous magnetic moment (AMM) in the hot and magnetized Nambu--Jona-Lasinio mod…
Quark matter under strong electric fields in the Linear Sigma Model coupled with quarks
William R. Tavares, Sidney S. Avancini, Ricardo L. S. Farias
In this work we study the influence of external electric field and temperature on the chiral phase transition of Quantum Chromodynamics. We use the two-flavor Linear Sigma Model co…
Causality violation and the speed of sound of hot and dense quark matter in the Nambu--Jona-Lasinio model
Arthur E. B. Pasqualotto, Ricardo L. S. Farias, William R. Tavares +2
The Nambu--Jona-Lasinio model is widely used to study strong-interaction phenomena in vacuum and quark matter. Since the model is nonrenormalizable, one needs to work within a spec…
Magnetized pole-mass of neutral meson within full RPA evaluation
Sidney S. Avancini, Ricardo L. S. Farias, William R. Tavares +1
In this work we calculate the pole-mass of the meson with different spin projections in the context of the magnetized two-flavor Nambu--Jona--Lasinio model. Mak…
Effects of the quark anomalous magnetic moment in the chiral symmetry restoration: magnetic catalysis and inverse magnetic catalysis
Ricardo L. S. Farias, William R. Tavares, Rodrigo M. Nunes +1
In this work, we consider the effect of a constant anomalous magnetic moment (AMM) of quarks in the SU(2) Nambu--Jona-Lasinio model in the mean field approximation. To this end, we…
Nambu--Jona-Lasinio model constrained by lattice QCD: thermomagnetic effects in the magnetization
William R. Tavares, Ricardo L. S. Farias, Sidney S. Avancini +3
We use a three-flavor Nambu--Jona-Lasinio model to study the thermodynamics of strange quark matter under a strong magnetic field. The model Lagrangian features flavor SU(3) four-q…
Regularizing thermo and magnetic contributions within nonrenormalizable theories
Sidney S. Avancini, Ricardo L. S. Farias, Marcus B. Pinto +2
The importance of implementing a proper regularization procedure in order to treat thermo and magnetic contributions within nonrenormalizable theories is investigated. Our study su…
Deconfinement and chiral phase transitions in quark matter with a strong electric field
William R. Tavares, Ricardo L. S. Farias, Sidney S. Avancini
The deconfinement and chiral phase transitions are studied in the context of the electrized quark matter at finite temperature in the two-flavor Polyakov-Nambu--Jona-Lasinio model.…
NJL-type models in the presence of intense magnetic fields: the role of the regularization prescription
Sidney S. Avancini, Ricardo L. S. Farias, Norberto N. Scoccola +1
We study the regularization dependence of the Nambu-Jona--Lasinio model (NJL) predictions for some properties of magnetized quark matter at zero temperature (and baryonic density)…
Neutral meson properties in hot and magnetized quark matter: a new magnetic field independent regularization scheme applied to NJL-type model
Sidney S. Avancini, Ricardo L. S. Farias, William R. Tavares
A magnetic field independent regularization scheme (zMFIR) based on the Hurwitz-Riemann zeta function is introduced. The new technique is applied to the regularization of the mean-…
Schwinger mechanism in the SU(3) Nambu--Jona-Lasinio model with an electric field
William R. Tavares, Sidney S. Avancini
In this work we study the electrized quark matter under finite temperature and density conditions in the context of the SU(2) and SU(3) Nambu--Jona-Lasinio models. To this end, we…
pole mass calculation in a strong magnetic field and lattice constraints
Sidney S. Avancini, Ricardo L. S. Farias, Marcus Benghi Pinto +2
The neutral meson pole mass is calculated in a strongly magnetized medium using the SU(2) Nambu-Jona-Lasinio model within the random phase approximation (RPA) at zero tempera…
Properties of magnetized neutral mesons within a full RPA evaluation
Sidney S. Avancini, William R. Tavares, Marcus B. Pinto
We consider the two flavor Nambu--Jona-Lasinio model within the RPA framework to evaluate the masses of the and mesons and the decay constant in the presence of a m…