456 citations · 2.7k across the 111 of their papers we have counts for
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Magnetic field induced anomalous pion couplings
Fabio L. Braghin, Marcelo Loewe, Cristian Villavicencio
Effective pion-constituent quark couplings induced by relatively weak magnetic fields are calculated in the framework based in Weinberg's large Nc Effective Field Theory. These cou…
- scattering lengths: electric corrections in the linear sigma model
M. Loewe, R. Cadiz, R. Zamora
In the frame of the linear sigma model and working in the weak field approximation, we discuss the role played by an external electric field on the behavior of - scattering l…
Electric corrections to - scattering lenghts in the linear sigma model
R. Cadiz, M. Loewe, R. Zamora
In this article we analyze the role of an external electric field, in the weak field approximation, on - scattering lengths. The discussion is presented in the frame of the l…
Magnetic and density effects on the nucleon axial coupling
C. A. Dominguez, M. Loewe, C. Villavicencio +1
Using appropriate QCD finite energy sum rules, we discuss the influence of an external magnetic field and baryonic density on the axial-vector coupling constant . This scena…
The Yukawa potential under weak magnetic field
Fabio L. Braghin, Marcelo Loewe, Cristian Villavicencio
Weak magnetic field induced corrections for the Yukawa potential due to one pion exchange between two constituent quarks (nucleons) are presented. For that, the constant magnetic f…
Nucleon axial-vector coupling constant in magnetar environments
C. A. Dominguez, Marcelo Loewe, Cristian Villavicencio +1
The nucleon axial-vector coupling constant is studied in the presence of an external magnetic field, and in dense nuclear environments, to emulate nuclear matter in magnetars…
Effective potential and mass behavior of a self-interacting scalar field theory due to thermal and external electric and magnetic fields effects
M. Loewe, D. Valenzuela, R. Zamora
In this article we address the subject of finding the behavior of a charged scalar field under the influence of external constant magnetic and electric fields, perpendicular to…
Renormalons in a scalar self interacting theory: thermal, thermomagnetic and thermoelectric corrections for all values of temperature
M. Loewe, R. Zamora
In this article we revisit the discussion of renormalons in the frame of a scalar self-interacting theory in the presence of thermomagnetic effects, i.e magnetic and therm…
Catalysis and inverse electric catalysis in a scalar theory
M. Loewe, D. Valenzuela, R. Zamora
In this article we explore the phase diagram associated to the symmetry breaking of a scalar self interacting theory, induced by temperature and the presence of an external electri…
Thermomagnetic renormalons in a scalar self-interacting theory
M. Loewe, L. Monje, R. Zamora
In this article we extend a previous discussion about the influence of an external magnetic field on renormalons in a self interacting scalar theory by including now temperature ef…
QCD phase diagram in a magnetized medium from the chiral symmetry perspective: The linear sigma model with quarks and the Nambu--Jona-Lasinio model effective descriptions
Alejandro Ayala, Luis A. Hernández, Marcelo Loewe +1
We review the main features of the QCD phase diagram description, at finite temperature, baryon density and in the presence of a magnetic field, from the point of view of effective…
Fermion mass and width in QED in a magnetic field
Alejandro Ayala, Jorge David Castaño-Yepes, M. Loewe +1
We revisit the calculation of the fermion self-energy in QED in the presence of a magnetic field. We show that, after carrying out the renormalization procedure and identifying the…
Magnetic field dependence of nucleon parameters from QCD sum rules
C. A. Dominguez, Luis A. Hernández, Marcelo Loewe +2
Finite energy QCD sum rules involving nucleon current correlators are used to determine several QCD and hadronic parameters in the presence of an external, uniform, large magnetic…
Magnetic effects of QCD parameters from finite energy sum rules
Cristian Villavicencio, C. A. Dominguez, M. Loewe
One of the advantages of the finite energy sum rules is the fact that every operator in the operator product expansion series can be selected individually by the use of an appropri…
Relation between the continuum threshold and the Polyakov loop with the QCD deconfinement transition
J. P. Carlomagno, M. Loewe
Using vector and axial-vector correlators within finite energy sum rules with inputs from a chiral quark model, coupled to the Polyakov loop, with nonlocal vector interactions, we…
Thermo-magnetic corrections to - Scattering Lengths in the Linear Sigma Model
Marcelo Loewe, Enrique Muñoz, Renato Zamora
In this article, we extend our previous study of the - scattering lengths under the presence of an external magnetic field, including finite temperature effects. The novelty…
On the critical end point in a two-flavor linear sigma model coupled to quarks
Alejandro Ayala, Luis A. Hernandez, Marcelo Loewe +2
We use the linear sigma model coupled to quarks to explore the location of the phase transition lines in the QCD phase diagram from the point of view of chiral symmetry restoration…
A new perspective for the magnetic corrections to - Scattering Lengths in the Linear Sigma Model
M. Loewe, L. Monje, E. Muñoz +2
In this article, a new perspective for obtaining the magnetic evolution of scattering lengths in the frame of the linear sigma model is presented. When computing the relevant…
Magnetic renormalons in a scalar self interacting theory
M. Correa, M. Loewe, D. Valenzuela +1
We present an analysis about the influence of an external magnetic field on renormalons in a self interacting theory . In the weak magnetic field region, using an appropria…
Pions near condensation under compact star conditions
Cristian Villavicencio, Marcelo Loewe, Alfredo Raya
The behavior of pions is studied in systems where their normal leptonic decay is forbidden. When thermal fluctuations are present, a low decay rate is generated, and as a consequen…
Superstatistics and the effective QCD phase diagram
Alejandro Ayala, Martin Hentschinski, Luis Alberto Hernandez +2
We study the effect of a partially thermalized scenario for chiral symmetry restoration at finite temperature and quark chemical potential, and in particular for the position of th…
QCD determination of the magnetic field dependence of QCD and hadronic parameters
C. A. Dominguez, M. Loewe, Cristian Villavicencio
A set of four Finite Energy QCD sum rules are used to determine the magnetic field dependence of the sum of the up- and down-quark masses of QCD, , the pion decay cons…
Thermo-magnetic evolution of the QCD strong coupling
Alejandro Ayala, C. A. Dominguez, Saul Hernandez-Ortiz +4
We study the one-loop gluon polarization tensor at zero and finite temperature in the presence of a magnetic field, to extract the thermo-magnetic evolution of the strong coupling…
Thermal corrections to the gluon magnetic Debye mass
Alejandro Ayala, Jorge David Castaño-Yepes, C. A. Dominguez +5
We compute the gluon polarization tensor in a thermo-magnetic environment in the strong magnetic field limit at zero and high temperature. The magnetic field effects are introduced…