46 citations · 132 across the 14 of their papers we have counts for
15 papers
Static linear response of hot and dense QCD matter to electromagnetic fields: Leading hard and soft QCD corrections
Osvaldo Ferreira, Eduardo S. Fraga, Tyler Gorda +3
We compute the static electromagnetic susceptibilities of a hot and dense quark-gluon plasma using perturbative Quantum Chromodynamics (QCD). Our evaluation includes the leading $\…
Semi-analytic bounds on axion-like-particle supernovae emission
Ana Luisa Foguel, Eduardo S. Fraga
Core-collapse supernovae provide natural laboratories for the production of new light particles. In particular, axion-like particles (ALPs) can be constrained via SN1987A cooling a…
Signatures from pion condensation and lepton flavor asymmetries in the cosmological gravitational wave background
Osvaldo Ferreira, Eduardo S. Fraga, Jürgen Schaffner-Bielich
Large lepton flavor asymmetries at the QCD epoch could generate a pion condensation phase in the early Universe. For large enough tau lepton flavor asymmetries, the speed of sound…
Hot and dense pQCD in a very strong magnetic background
Eduardo S. Fraga, Letícia F. Palhares, Tulio E. Restrepo
We compute the pressure, chiral condensate and strange quark number susceptibility from perturbative QCD up to two-loop order at finite temperature and very high magnetic fields wi…
Cooling of quark stars from perturbative QCD
Úrsula Fonseca, Eduardo S. Fraga
We investigate the thermal evolution of quark stars with and without a hadronic crust using an equation of state derived from perturbative QCD that incorporates the running of the…
Susceptibilities and Taylor coefficients of magnetic QCD from perturbation theory
Eduardo S. Fraga, Letícia F. Palhares, Tulio E. Restrepo
We compute the coefficients and of the Taylor expansion for the pressure in powers of in the presence of a large magnetic field within perturbative QC…
Chiral symmetry breaking and pion condensation in the early universe
Osvaldo Ferreira, Eduardo S. Fraga, Maurício Hippert +1
We determine the possible trajectories the universe may have followed in the QCD phase diagram during the QCD epoch. We focus on the roles of chiral symmetry breaking and pion cond…
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…
Quark anomalous magnetic moment in an extreme magnetic background from perturbative QCD
Eduardo S. Fraga, Leticia F. Palhares, Cristian Villavicencio
We compute the one-loop QCD correction to the photon-quark-antiquark vertex in an extremely strong magnetic background, i.e., one in which is much larger than all other…
Cold and dense perturbative QCD in a very strong magnetic background
Eduardo S. Fraga, Letícia F. Palhares, Tulio E. Restrepo
We compute the pressure from first principles within perturbative QCD at finite baryon density and very high magnetic fields up to two-loops and with physical quark masses. The reg…
Power corrections to the photon polarization tensor in a hot and dense medium of massive fermions
Osvaldo Ferreira, Eduardo S. Fraga
We compute the terms (power corrections) of the photon polarization tensor in a hot and dense medium of particles with a small but finite mass, i.e., $0< m\ll T,…
Neutron star structure from QCD
Eduardo S. Fraga, Aleksi Kurkela, Aleksi Vuorinen
In this review article, we argue that our current understanding of the thermodynamic properties of cold QCD matter, originating from first principles calculations at high and low d…
The impact of quark masses on pQCD thermodynamics
Thorben Graf, Juergen Schaffner-Bielich, Eduardo S. Fraga
We present results for several thermodynamic quantities within the next-to-leading order calculation of the thermodynamic potential in perturbative QCD at finite temperature and ch…
Quark mass and isospin dependence of the deconfining critical temperature
E. S. Fraga, L. F. Palhares, C. Villavicencio
We describe the deconfining critical temperature dependence on the pion mass and on the isospin chemical potential in remarkably good agreement with lattice data. Our framework inc…
Weinberg power counting and the quark determinant at small chemical potential
E. S. Fraga, C. Villavicencio
We construct an effective action for QCD by expanding the quark determinant in powers of the chemical potential at finite temperature in the case of massless quarks. To cut the inf…