115 citations · 222 across the 4 of their papers we have counts for
4 papers
How to observe a non-Kerr spacetime
Theocharis A. Apostolatos, Georgios Lukes-Gerakopoulos, George Contopoulos
We present a generic criterion which can be used in gravitational-wave data analysis to distinguish an extreme-mass-ratio inspiral into a Kerr background spacetime from one into a…
Origin of chaos near critical points of quantum flow
C. Efthymiopoulos, C. Kalapotharakos, G. Contopoulos
The general theory of motion in the vicinity of a moving quantum nodal point (vortex) is studied in the framework of the de Broglie - Bohm trajectory method of quantum mechanics. U…
Invariant manifolds and the response of spiral arms in barred galaxies
P. Tsoutsis, C. Kalapotharakos, C. Efthymiopoulos +1
The unstable invariant manifolds of the short-period family of periodic orbits around the unstable Lagrangian points and of a barred galaxy define loci in the configura…
Dynamics and chaos in the unified scalar field Cosmology
Georgios Lukes-Gerakopoulos, Spyros Basilakos, George Contopoulos
We study the dynamics of the closed scalar field FRW cosmological models in the framework of the so called Unified Dark Matter (UDM) scenario. Performing a theoretical as well as a…