246 citations · 558 across the 35 of their papers we have counts for
25 papers · 1 filter
Lorentz Violation and Topologically Trapped Charge Carriers in 2D Materials
R. A. C. Correa, W. de Paula, A. de Souza Dutra +1
The full spectrum of two-dimensional fermion states in a scalar soliton trap with a Lorentz breaking background is investigated in the context of the novel 2D materials, where the…
Cosmological scenarios from multiquintessence
R. A. C. Correa, P. H. R. S. Moraes, A. de Souza Dutra +2
In this work we derive and analyse cosmological scenarios coming from multi-component scalar field models. We consider a direct sum of a sine-Gordon with a Z2 model, and also a com…
Refinements of the Weyl pure geometrical thick branes from information-entropic measure
R. A. C. Correa, D. M. Dantas, P. H. R. S. Moraes +2
This letter aims to analyse the so-called configurational entropy in the Weyl pure geometrical thick brane model. The Weyl structure plays a prominent role in the thickness of this…
Configurational entropy as a bounding of Gauss-Bonnet braneworld models
R. A. C. Correa, P. H. R. S. Moraes, A. de Souza Dutra +2
Configurational entropy has been revealed as a reliable method for constraining some parameters of a given model [Phys. Rev. D \textbf{92} (2015) 126005, Eur. Phys. J. C \textbf{76…
Information content in brane models with non-constant curvature
R. A. C. Correa, P. H. R. S. Moraes, A. de Souza Dutra +1
In this work we investigate the entropic information-measure in the context of braneworlds with non-constant curvature. The braneworld entropic information is studied for gravity m…
Smooth braneworld models possibility in modified gravities
G. P. de Brito, J. M. Hoff da Silva, P. Michel L. T. da Silva +1
It is shown that the consideration of the braneworld consistency conditions within the framework of bulk modified gravities allows for the existence of thick branes in the five- di…
A method for obtaining thick branes models
A. de Souza Dutra, G. P. de Brito, J. M. Hoff da Silva
In this work we present a new class of braneworld models, where the superpotential function may be decomposed in a very specific form, but still embracing, which allows considerabl…
On the study of oscillons in scalar field theories: A new approach
R. A. C. Correa, A. de Souza Dutra
In this work we study configurations in one-dimensional scalar field theory, which are time-dependent, localized in space and extremely long-lived called oscillons. It is investiga…
Information-Entropic Measure of Energy-Degenerate Kinks in Two-Field Models
R. A. C. Correa, A. de Souza Dutra, M. Gleiser
We investigate the existence and properties of kink-like solitons in a class of models with two interacting scalar fields. In particular, we focus on models that display both doubl…
Multikink solutions and deformed defects
G. P. de Brito, A. de Souza Dutra
At the present work we consider an application of the deformation procedure that enable us to construct, systematically, scalar field models supporting multikinks. We introduce a n…
Orbit based procedure for doublets of scalar fields and the emergence of triple kinks and other defects
G. P. de Brito, A. de Souza Dutra
In this work we offer an approach to enlarge the number of exactly solvable models with two real scalar fields in (1+1)D. We build some new two-field models, and obtain their exact…
Analytical Multi-kinks in smooth potentials
G. P. de Brito, R. A. C. Correa, A. de Souza Dutra
In this work we present an approach which can be systematically used to construct nonlinear systems possessing analytical multi-kink profile configurations. In contrast with previo…
Asymmetrical bloch branes and the hierarchy problem
A. de Souza Dutra, G. P. de Brito, J. M. Hoff da Silva
We investigate a two scalar fields split braneworld model which leads to a possible approach to the hierarchy problem within the thick brane scenario. The model exhibits a resultin…
Coupled scalar fields Oscillons and Breathers in some Lorentz Violating Scenarios
A. de Souza Dutra, R. A. C. Correa
In this work we discuss the impact of the breaking of the Lorentz symmetry on the usual oscillons, the so-called flat-top oscillons, and the breathers. Our analysis is performed by…
Generalizing the Soldering procedure
D. Dalmazi, A. de Souza Dutra, E. M. C. Abreu
We start this work by revisiting the problem of the soldering of two chiral Schwinger models of opposite chiralities. We verify that, in contrast with what one can conclude from th…
New approaches in W-gravities
Everton M. C. Abreu, Alvaro de Souza Dutra, Clovis Wotzasek
We have devoted an effort to study some nonlinear actions, characteristics of the -theories, in the framework of the soldering formalism. We have disclosed interesting ne…
Effective Action for QED with Fermion Self-Interaction in D=2 and D=3 Dimensions
E. M. C. Abreu, D. Dalmazi, A. de Souza Dutra +1
In this work we discuss the effect of the quartic fermion self-interaction of Thirring type in QED in D=2 and D=3 dimensions. This is done through the computation of the effective…
New remarks on the linear constraint self-dual boson and Wess-Zumino terms
Everton M. C. Abreu, Alvaro de Souza Dutra
In this work we prove in a precise way that the soldering formalism can be applied to the Srivastava chiral boson (SCB), in contradiction with some results appearing in the literat…
Structural aspects of the fermion-boson mapping in two-dimensional gauge and anomalous gauge theories with massive fermions
L. V. Belvedere, A. de Souza Dutra, C. P. Natividade +1
Using a synthesis of the functional integral and operator approaches we discuss the fermion-boson mapping and the role played by the Bose field algebra in the Hilbert space of two-…
Symmetry transform in the Faddeev-Jackiw quantization of dual models
C. P. Natividade, A. de Souza Dutra, H. Boschi-Filho
We study the presence of symmetry transformations in the Faddeev-Jackiw approach for constrained systems. Our analysis is based in the case of a particle submitted to a particular…
Interference phenomena, chiral bosons and Lorentz invariance
Everton M. C. Abreu, Alvaro de Souza Dutra
We have studied the theory of gauged chiral bosons and proposed a general theory, a master action, that encompasses different kinds of gauge field couplings in chiral bosonized the…
Quadratic Effective Action for QED in D=2,3 Dimensions
D. Dalmazi, A. de Souza Dutra, Marcelo Hott
We calculate the effective action for Quantum Electrodynamics (QED) in D=2,3 dimensions at the quadratic approximation in the gauge fields. We analyse the analytic structure of the…
A Simple Action for a Free Anyon
D. Dalmazi, A. de Souza Dutra
By studying classical realizations of the sl(2,R) algebra in a two dimensional phase space , we have derived a continuous family of new actions for free anyons in 2+1 dimens…
Free Relativistic Anyons with Canonical Spin Algebra
D. Dalmazi, A. de Souza Dutra
We discuss a relativistic free particle with fractional spin in 2+1 dimensions, where the dual spin components satisfy the canonical angular momentum algebra $\left\{ S_μ, S_ν\righ…