80 citations · 274 across the 24 of their papers we have counts for
3 papers · 1 filter
Marginally stable circular orbits in stationary axisymmetric spacetimes
Shabnam Beheshti, Edgar Gasperin
We derive a necessary condition for the existence of marginally stable circular orbits of test particles in stationary axisymmetric spacetimes which possess a refection symmetry wi…
Motion of test particles in the field of a naked singularity
K. Boshkayev, E. Gasperin, A. C. Gutierrez-Pineres +2
We investigate the motion of test particles in the gravitational field of a static naked singularity generated by a mass distribution with quadrupole moment. We use the quadrupole-…
Perturbations of the asymptotic region of the Schwarzschild-de Sitter spacetime
Edgar Gasperin, Juan Antonio Valiente Kroon
The conformal structure of the Schwarzschild-de Sitter spacetime is analysed using the extended conformal Einstein field equations. To this end, initial data for an asymptotic init…