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11 papers · 1 filter
Wick Rotation in the Light-Front
J. P. B. C. de Melo, E. Gambim, T. Frederico
We study the electroweak properties of pseudo-scalar mesons in the light and heavy-light sectors. In particular, we address the electromagnetic form factors and decay constants of…
Solution of the 5D Einstein equations in a dilaton background model
W. de Paula, T. Frederico, H. Forkel +1
We obtain an explicit solution of the 5d Einstein equations in a dilaton background model. We demonstrate that for each metric ansatz that only depends on the extra coordinate, it…
Determination of the neutron star mass-radii relation using narrow-band gravitational wave detector
C. H. Lenzi, M. Malheiro, R. M. Marinho +2
The direct detection of gravitational waves will provide valuable astrophysical information about many celestial objects. The most promising sources of gravitational waves are neut…
Solution of the inverse problem in spherical gravitational wave detectors using a model with independent bars
César H. Lenzi, Nadja S. Magalhães, Rubens M. Marinho +3
The direct detection of gravitational waves will provide valuable astrophysical information about many celestial objects. The SCHENBERG has already undergone its first test run. It…
An approximation to density functional theory for an accurate calculation of band-gaps of semiconductors
Luiz G. Ferreira, Marcelo Marques, Lara K. Teles
The local-density approximation (LDA), together with the half-occupation (transition state) is notoriously successful in the calculation of atomic ionization potentials. When it co…
NeutronC scattering near an Efimov state
M. T. Yamashita, T. Frederico, Lauro Tomio
The low-energy neutronC scattering in a neutron-neutron-core model is studied with large scattering lengths near the conditions for the appearance of an Efimov state. We sh…