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69 papers · 1 filter
Optical Polarization Mapping toward the interface between the Local Cavity and Loop I
Fábio P. Santos, Wagner Corradi, Wilson Reis
The Sun is located inside an extremely low density and quite irregular volume of the interstellar medium, known as the Local Cavity (LC). It has been widely believed that some kind…
Experimental proposal for measuring the Gouy phase of matter waves
I. G. da Paz, P. L. Saldanha, M. C. Nemes +1
The Schrödinger equation for an atomic beam predicts that it must have a phase anomaly near the beam waist analogous to the Gouy phase of an electromagnetic beam. We propose here a…
QED with minimal and nonminimal couplings: on the quantum generation of Lorentz violating terms in the pure photon sector
G. Gazzola, H. G. Fargnoli, A. P. Baêta Scarpelli +2
We consider an effective model formed by usual QED (minimal coupling) with the addition of a nonminimal Lorentz violating interaction (proportional to a fixed 4-vector ) which…
Positive Solutions for the p-Laplacian with Dependence on the Gradient
Hamilton Bueno, Grey Ercole, Wenderson Ferreira +1
We prove a result of existence of positive solutions of the Dirichlet problem for in a bounded domain , where is the…
Computing the function via the inverse power method
Rodney Josué Biezuner, Grey Ercole, Eder Marinho Martins
In this paper, we discuss a new iterative method for computing . This function was introduced by Lindqvist in connection with the unidimensional nonlinear Dirichlet eigen…
Eigenvalues and eigenfunctions of the Laplacian via inverse iteration with shift
Rodney Josué Biezuner, Grey Ercole, Breno Loureiro Giacchini +1
In this paper we present an iterative method, inspired by the inverse iteration with shift technique of finite linear algebra, designed to find the eigenvalues and eigenfunctions o…