38 citations · 243 across the 33 of their papers we have counts for
6 papers · 1 filter
Extended disformal approach in the scenario of Rainbow Gravity
Gabriel G. Carvalho, Iarley P. Lobo, Eduardo Bittencourt
We investigate all feasible mathematical representations of disformal transformations on a space-time metric according to the action of a linear operator upon the manifold's tangen…
The flexibility of optical metrics
Eduardo Bittencourt, Jonas P. Pereira, Igor Smolyaninov +1
We firstly revisit the importance, naturalness and limitations of the so-called optical metrics for describing the propagation of light rays in the limit of geometric optics. We th…
Massless Dirac particles in the vacuum C-metric
Donato Bini, Eduardo Bittencourt, Andrea Geralico
We study the behavior of massless Dirac particles in the vacuum C-metric spacetime, representing the nonlinear superposition of the Schwarzschild black hole solution and the Rindle…
Slicing black hole spacetimes
Donato Bini, Eduardo Bittencourt, Andrea Geralico +1
A general framework is developed to investigate the properties of useful choices of stationary spacelike slicings of stationary spacetimes whose congruences of timelike orthogonal…
Metric Relativity and the Dynamical Bridge: highlights of Riemannian geometry in physics
Mario Novello, Eduardo Bittencourt
We present an overview of recent developments concerning modifications of the geometry of space-time to describe various physical processes of interactions among classical and quan…
On the disformal invariance of the Dirac equation
Eduardo Bittencourt, Iarley P. Lobo, Gabriel G. Carvalho
In this paper we analyze the invariance of the Dirac equation under disformal transformations depending on the propagating spinor field. Using the Weyl-Cartan formalism, we constru…