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14 papers · 1 filter
Quantum Mechanics from General Relativity and the Quantum Friedmann Equation
Marco Matone, Nikolaos Dimakis
We demonstrate that the recently introduced linear equation, reformulating the first Friedmann equation, is the first-order WKB expansion of a quantum cosmological equation. This r…
Influence of the four-fermion interactions in (2+1)D massive electrons system
Luis Fernández, Van Sérgio Alves, M. Gomes +2
The description of the electromagnetic interaction in two-dimensional Dirac materials, such as graphene and transition-metal dichalcogenides, in which electrons move in the plane a…
Dynamical Mass Generation in Pseudo Quantum Electrodynamics with Gross-Neveu Interaction at finite temperature
Luis Fernández, Reginaldo O. Corrêa, Van Sérgio Alves +2
We study the dynamical mass generation in Pseudo Quantum Electrodynamics (PQED) coupled to the Gross-Neveu (GN) interaction, in (2+1) dimensions, at both zero and finite temperatur…
Renormalization of the band gap in 2D materials through the competition between electromagnetic and four-fermion interactions
Luis Fernández, Van Sérgio Alves, Leandro O. Nascimento +3
Recently the renormalization of the band gap , in both WSe and MoS, has been experimentally measured as a function of the carrier concentration . The main result esta…
Perturbative unitarity and higher-order Lorentz symmetry breaking
Leonardo Balart, Carlos M. Reyes, Sebastian Ossandon +1
We study perturbative unitarity in the scalar sector of the Myers-Pospelov model. The model introduces a preferred four-vector which breaks Lorentz symmetry and couples to a fi…
On the Horava-Lifshitz-like Gross-Neveu model
A. M. Lima, T. Mariz, R. Martinez +3
We describe a Horava-Lifshitz-like reformulated four-fermion Gross-Neveu model describing the dynamics of two-component spinors in (2+1)-dimensional space-time. Within our study, w…