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Thin-shell wormholes in Einstein-Maxwell theory with a Gauss-Bonnet term
Marc Thibeault, Claudio Simeone, Ernesto F. Eiroa
We study five dimensional thin-shell wormholes in Einstein-Maxwell theory with a Gauss-Bonnet term. The linearized stability under radial perturbations and the amount of exotic mat…
Gravitational lensing by Einstein-Born-Infeld black holes
Ernesto F. Eiroa
In this paper, charged black holes in general relativity coupled to Born-Infeld electrodynamics are studied as gravitational lenses. The positions and magnifications of the relativ…
Braneworld black holes as gravitational lenses
Ernesto F. Eiroa
Black holes acting as gravitational lenses produce, besides the primary and secondary weak field images, two infinite sets of relativistic images. These images can be studied using…
Thin-shell wormholes in dilaton gravity
Ernesto F. Eiroa, Claudio Simeone
In this work we construct charged thin-shell Lorentzian wormholes in dilaton gravity. The exotic matter required for the construction is localized in the shell and the energy condi…