109 citations · 1.5k across the 70 of their papers we have counts for
6 papers · 2 filters
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…
Hawking Radiation from Elko Particles Tunnelling across Black Strings Horizon
Roldao da Rocha, J. M. Hoff da Silva
We apply the tunnelling method for the emission and absorption of Elko particles in the event horizon of a black string solution. We show that Elko particles are emitted at the exp…
Smooth thick braneworlds and the Gibbons-Kallosh-Linde no-go theorem
Marco Dias, J. M. Hoff da Silva, Roldão da Rocha
After working out the so called braneworld sum rules formalism in order to encompass Gauss-Bonnet terms, the generation of thick branes is proposed, even with a periodic extra dime…
VSR symmetries in the DKP algebra: the interplay between Dirac and Elko spinor fields
R. T. Cavalcanti, J. M. Hoff da Silva, Roldao da Rocha
VSR symmetries are here naturally incorporated in the DKP algebra on the spin-0 and the spin-1 DKP sectors. We show that the Elko (dark) spinor fields structure plays an essential…
Regular Bulk Solutions and Black Strings from Dynamical Braneworlds with Variable Tension
D. Bazeia, J. M. Hoff da Silva, Roldao da Rocha
Regular black strings solutions associated to a dynamical Friedmann-Robertson-Walker braneworld are obtained as a particular case of a regular bulk metric, in the context of a vari…
Exact solutions to Elko spinors in spatially flat Friedmann-Robertson-Walker spacetimes
J. M. Hoff da Silva, S. H. Pereira
In this paper we present exact solutions to the so-called Elko spinors for three models of expanding universe, namely the de Sitter, linear and the radiation type evolution. The st…