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Spinning test body orbiting around a Schwarzschild black hole: Comparing Spin Supplementary Conditions for Circular Equatorial Orbits
Iason Timogiannis, Georgios Lukes-Gerakopoulos, Theocharis A. Apostolatos
The Mathisson-Papapetrou-Dixon (MPD) equations describe the motion of an extended test body in general relativity. This system of equations, though, is underdetermined and has to b…
Non-linear effects in EMRI dynamics and their imprints on gravitational waves
Georgios Lukes-Gerakopoulos, Vojtěch Witzany
The largest part of any gravitational-wave inspiral of a compact binary can be understood as a slow, adiabatic drift between the trajectories of a certain referential conservative…
Spinning test body orbiting around a Kerr black hole: Eccentric equatorial orbits and their asymptotic gravitational-wave fluxes
Viktor Skoupý, Georgios Lukes-Gerakopoulos
We use the frequency and time domain Teukolsky formalism to calculate gravitational-wave fluxes from a spinning body on a bound eccentric equatorial orbit around a Kerr black hole.…
Dynamical analysis approaches in spatially curved FRW spacetimes
M. Kerachian, G. Acquaviva, G. Lukes-Gerakopoulos
In this article, we summarize two agnostic approaches in the framework of spatially curved Friedmann-Robertson-Walker (FRW) cosmologies discussed in detail in (Kerachian et al., 20…