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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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119 papers · 1 filter
Non-perturbative SQED beta function using functional renormalization group approach and the NSVZ exact beta function
Jeremy Echeverria, Iván Schmidt
The renormalization group equations of massive supersymmetric quantum electrodynamics (SQED) are studied using the functional renormalization group approach. A non-…
Probing holographic flat bands at finite density
Nicolás Grandi, Vladimir Juričić, Ignacio Salazar Landea +1
Flat band electronic systems exhibit a rich landscape of correlation-driven phases. Motivated by these developments, in this paper, we explicitly include the effects of the chemica…
QED Fermions in a noisy magnetic field background
Jorge David Castaño-Yepes, Marcelo Loewe, Enrique Muñoz +2
We consider the effects of a noisy magnetic field background over the fermion propagator in QED, as an approximation to the spatial inhomogeneities that would naturally arise in ce…
Functional renormalization group flows of supersymmetric abelian gauge model with one chiral and one vector superfield
Jeremy Echeverria, Maximiliano Binder, Ivan Schmidt
We apply the functional renormalization group approach to a supersymmetric gauge model with one chiral superfield coupled to a vector superfield. We find tha…
Considerations on the modified Maxwell electrodynamics in the presence of an electric and magnetic background
M. J. Neves, Patricio Gaete, L. P. R. Ospedal +1
The properties of the modified Maxwell electrodynamics (ModMax) are investigated in presence of external and uniform electric and magnetic fields. We expand the non-linear theory a…
Charged black holes from T-duality
Patricio Gaete, Kimet Jusufi, Piero Nicolini
In this paper, we present a family of regular black hole solutions in the presence of charge and angular momentum. We also discuss the related thermodynamics and we comment about t…
Finite electrodynamics from T-duality
Patricio Gaete, Piero Nicolini
In this paper, we present the repercussions of Padmanabhan's propagator in electrodynamics. This corresponds to implement T-duality effects in a U(1) gauge theory. By formulating a…
Engineering holographic flat fermionic bands
Nicolás Grandi, Vladimir Juričić, Ignacio Salazar Landea +1
In electronic systems with flat bands, such as twisted bilayer graphene, interaction effects govern the structure of the phase diagram. In this paper, we show that a strongly inter…
Reentrant phase transitions in Einstein-Maxwell-scalar black holes
Dumitru Astefanesei, Paulina Cabrera, Robert B. Mann +1
We consider how scalar fields affect the thermodynamic behavior of charged anti-de Sitter (AdS) black holes. We specifically investigate a class of (3+1)-dimensional exact hairy ch…
Considerations on anomalous photon and Z-boson self-couplings from the Born-Infeld weak hypercharge action
M. J. Neves, L. P. R. Ospedal, J. A. Helayël-Neto +1
We investigate the effects of the Born-Infeld action on the Abelian sector of the electroweak model. The consequence of this approach is the emergence of anomalous couplings in the…
General Relativity from Einstein-Gauss-Bonnet gravity
Fabrizio Canfora, Adolfo Cisterna, Sebastian Fuenzalida +2
In this work we show that Einstein gravity in four dimensions can be consistently obtained from the compactification of a generic higher curvature Lovelock theory in dimension $D=4…
Towards holographic flat bands
Nicolás Grandi, Vladimir Juričić, Ignacio Salazar Landea +1
Motivated by the phenomenology in the condensed-matter flat-band Dirac systems, we here construct a holographic model that imprints the symmetry breaking pattern of a rather simple…
Functional Renormalization Group Flow of Massive Gravity
Maximiliano Binder, Iván Schmidt
We apply the functional renormalization group equation to a massive Fierz-Pauli action in curved space and find that, even though a massive term is a modification in the infrared s…
Remarks on a compact Abelian Higgs model
Patricio Gaete, José A. Helayël-Neto
Aspects of screening and confinement are re-examined for a recently proposed compact Abelian Higgs model with a -term. Our discussion is accomplished using the gauge-invariant b…
Phase transitions of neutral planar hairy AdS black holes
Andres Anabalon, Dumitru Astefanesei, David Choque +1
We investigate the phase diagram of a general class of -dimensional exact regular hairy planar black holes. For some particular values of the parameters in the moduli potential,…
Lorentz-symmetry violating physics in a supersymmetric scenario in -D
L. D. Bernal, Patricio Gaete, Y. P. M. Gomes +1
We study the dimensional reduction for a -dimensional Lorentz Violating Lagrangian in the matter and gauge sectors in a Supersymmetric scenario. We thus obtain an effective…
Gluon polarization tensor in a magnetized medium: Analytic approach starting from the sum over Landau levels
Alejandro Ayala, Jorge David Castaño-Yepes, M. Loewe +1
We present an analytic method to compute the one-loop magnetic correction to the gluon polarization tensor starting from the Landau-level representation of the quark propagator in…
The Odderon in QCD with running coupling
Jochen Bartels, Carlos Contreras, Gian Paolo Vacca
Starting from the leading Odderon solution of the three gluon system in perturbative QCD we introduce, as a first step towards the transition to the nonperturbative region, an infr…
Superasymptotic and hyperasymptotic approximation to the operator product expansion
Cesar Ayala, Xabier Lobregat, Antonio Pineda
Given an observable and its operator product expansion (OPE), we present expressions that carefully disentangle truncated sums of the perturbative series in powers of from the…
Non-local Lagrangians from Renormalons and Analyzable Functions
Alessio Maiezza, Juan Carlos Vasquez
We embed in a generalized Borel procedure the notion of renormalization and renormalons. While there are several efforts in literature to have a semi-classical understanding of the…
Resummation in QFT with Meijer G-functions
Oleg Antipin, Alessio Maiezza, Juan Carlos Vasquez
We employ a recent resummation method to deal with divergent series, based on the Meijer G-function, which gives access to the non-perturbative regime of any QFT from the first few…
Remarks on the static potential in theories with Lorentz violation terms
Patricio Gaete, José A. Helayël-Neto
We study the impact of Lorentz violating terms on a physical observable for both electrodynamics of chiral matter and an Abelian Higgs-like model in dimensions. Our calculati…
Resummation and renormalons in a general Quantum Field Theory
Alessio Maiezza, Juan Carlos Vasquez
We generalize the concept of Borel resummability and renormalons to a quantum field theory with an arbitrary number of fields and couplings, starting from the known notion based on…
Integrability and chemical potential in the (3+1)-dimensional Skyrme model
P. D. Alvarez, F. Canfora, N. Dimakis +1
Using a remarkable mapping from the original (3+1)dimensional Skyrme model to the Sine-Gordon model, we construct the first analytic examples of Skyrmions as well as of Skyrmions--…