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Testing Gravity with Quasi Periodic Oscillations from accreting Black Holes: the Case of Einstein-Dilaton-Gauss-Bonnet Theory
Andrea Maselli, Leonardo Gualtieri, Paolo Pani +2
Quasi-Periodic Oscillations (QPOs) observed in the X-ray flux emitted by accreting black holes, are associated to phenomena occurring near the horizon. Future very large area X-ray…
Exploring New Physics Frontiers Through Numerical Relativity
Vitor Cardoso, Leonardo Gualtieri, Carlos Herdeiro +1
The demand to obtain answers to highly complex problems within strong-field gravity has been met with significant progress in the numerical solution of Einstein's equations - along…
Rotating proto-neutron stars: spin evolution, maximum mass and I-Love-Q relations
Grégoire Martinon, Andrea Maselli, Leonardo Gualtieri +1
Shortly after its birth in a gravitational collapse, a proto-neutron star enters in a phase of quasi-stationary evolution characterized by large gradients of the thermodynamical va…
Higher dimensional Numerical Relativity: code comparison
Helvi Witek, Hirotada Okawa, Vitor Cardoso +5
The nonlinear behavior of higher dimensional black hole spacetimes is of interest in several contexts, ranging from an understanding of cosmic censorship to black hole production i…
Quasi-normal modes of superfluid neutron stars
L. Gualtieri, E. M. Kantor, M. E. Gusakov +1
We study non-radial oscillations of neutron stars with superfluid baryons, in a general relativistic framework, including finite temperature effects. Using a perturbative approach,…