39 citations · 282 across the 41 of their papers we have counts for
41 papers
On the relation between Dencker's polarization set and the gauge-fixing in electrodynamics
Daniel H. T. Franco
The purpose of this short review, based in part on ideas developed in an article by the author and Fagundes [3], is to emphasize that the gauge-fixing condition, necessary to elimi…
Spectral properties of the 2D magnetic Weyl-Dirac operator with a short-range potential
M. B. Alves, O. M. Del Cima, D. H. T. Franco +1
This paper is devoted to the study of the spectral properties of the Weyl-Dirac or massless Dirac operators, describing the behavior of quantum quasi-particles in dimension 2 in a…
The quantum scale invariance in graphene-like quantum electrodynamics
O. M. Del Cima, D. H. T. Franco, L. S. Lima +1
The ultraviolet and infrared finiteness of a parity-even massless planar quantum electrodynamics mimics the scale invariance in graphene.
On the absence of bound states for a planar massless Brown-Ravenhall-type operator
M. B. Alves, O. M. Del Cima, D. H. T. Franco
We address the question of the existence of bound states for a suitably projected two-dimensional massless Dirac operator in the presence of a Bessel-Macdonald potential (also know…
The Hilbert-Schmidt norm as a measure of entanglement in spin-1/2 Heisenberg chain: generalized Bell inequality and distance between states
Saulo L L da Silva, Daniel H. T. Franco
In this letter, we show that the measure of entanglement using the generalized Bell inequality and the distance between states coincide when we use the Hilbert-Schmidt norm. Our co…
Is there any Nambu monopolium out there?
D. O. R. Azevedo, M. L. Bispo, O. M. Del Cima +2
Magnetic monopoles have been a subject of study for more than a century since the first ideas by A. Vaschy and P. Curie, circa 1890. In 1974, Y. Nambu proposed a model for magnetic…