84 citations · 115 across the 10 of their papers we have counts for
11 papers
Towards solving General Relativity with Physics-Informed Neural Networks
Juan A. Carretero, Jorge F. Urbán, Fernando Abalos +4
Physics-Informed Neural Networks (PINNs) are a machine-learning framework for approximating solutions to systems of partial differential equations by constraining neural networks t…
Signatures of Compact Object Mergers Inside Stars in AGN Disks
Matteo Cantiello, Alexander J. Dittmann, Saavik Ford +4
Disks of gas accreting onto supermassive black holes, powering active galactic nuclei (AGN), can capture stars from nuclear star clusters or form stars in situ via gravitational in…
MHDuet : a high-order General Relativistic Radiation MHD code for CPU and GPU architectures
Carlos Palenzuela, Miguel Bezares, Steven Liebling +12
We present MHDuet, an open source evolution code for general relativistic magnetohydrodynamics with neutrino transport. The code solves the full set of Einstein equations coupled t…
Nonlinear Stability of Rotating Hairy Black Holes
Juan A. Carretero, Philippe Grandclément, Carlos Palenzuela +1
Rotating hairy black holes (RHBHs) are axisymmetric equilibrium solutions of the Einstein--Klein--Gordon equations, consisting of a spinning black hole surrounded by a toroidal dis…
Neutron star evolution with the Bemfica-Disconzi-Noronha-Kovtun viscous hydrodynamics framework
Harry L. H. Shum, Fernando Abalos, Yago Bea +3
The recently proposed first-order viscous relativistic hydrodynamics formulation by Bemfica, Disconzi, Noronha, and Kovtun (commonly known as the BDNK formulation) has been shown t…
Robustness of Magnetic Field Amplification in Neutron Star Mergers
Ricard Aguilera-Miret, Jan-Erik Christian, Stephan Rosswog +1
The dynamics of a binary neutron stars merger is governed by physics under the most extreme conditions, including strong spacetime curvature, ultra-high matter densities, luminous…
Implications of Magnetic Flux-Disk Mass Correlation in Black Hole-Neutron Star Mergers for GRB sub-populations
Manuel R. Izquierdo, Carlos Palenzuela, Steven Liebling +2
We perform numerical relativity simulations of black hole-neutron star (BH-NS) mergers with a fixed mass ratio of , varying the BH spin to produce a wide range of post-merge…
Delayed jet launching in binary neutron star mergers with realistic initial magnetic fields
Ricard Aguilera-Miret, Carlos Palenzuela, Federico Carrasco +2
We analyze a long-lived hyper-massive neutron star merger remnant (post-merger lifetime ms) that has been obtained via large eddy simulations with a gradient subgrid-scale m…
Large Eddy Simulations of Magnetized Mergers of Black Holes and Neutron Stars
Manuel R. Izquierdo, Miguel Bezares, Steven Liebling +1
The LIGO-Virgo-Kagra collaboration has observed gravitational waves consistent with the mergers of a black hole and a neutron star, namely GW200105 and GW200115, providing evidence…
Global high-order numerical schemes for the time evolution of the general relativistic radiation magneto-hydrodynamics equations
Manuel R. Izquierdo, Lorenzo Pareschi, Borja Miñano +2
Modeling correctly the transport of neutrinos is crucial in some astrophysical scenarios such as core-collapse supernovae and binary neutron star mergers. In this paper, we focus o…
Coherence Resonance in Chaotic Systems
C. Palenzuela, R. Toral, C. R. Mirasso +2
We show that it is possible for chaotic systems to display the main features of coherence resonance. In particular, we show that a Chua model, operating in a chaotic regime and in…