activity
20192026
most citedGRaM-X: A new GPU-accelerated dynamical spacetime GRMHD code for Exascale computing with the Einstein Toolkit

25 citations · 32 across the 8 of their papers we have counts for

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6 papers · 1 filter

astro-ph.HE2026

Neutrino transport and flavor instabilities in a post-merger disk

Erick Urquilla, Swapnil Shankar, Debraj Kundu +6

Neutron star mergers are multimessenger sources whose dynamics and signals depend critically on neutrinos and their flavor transformations. We investigate whether fast and collisio…

astro-ph.HE2025

A resistive MHD module in the GPU-accelerated GRMHD code GRaM-X

Sara Azizi, Swapnil Shankar, Philipp Mösta +2

Relativistic macroscopic plasma dynamics can be described by general-relativistic magnetohydrodynamics. In many high-energy astrophysical settings, such as the interior dynamics of…

astro-ph.HE2025★ 2 cited

Gravitational waves from magnetorotational core-collapse supernovae using 3D GRMHD simulations: effect of rotation and magnetic fields

Sophia C. Schnauck, Swapnil Shankar, Philipp Mösta +2

We investigate the gravitational wave emission for 10 supernova progenitors from magnetorotational core-collapse to the supernova explosion using fully three-dimensional dynamical-…

astro-ph.HE2025

A Black Hole is Born: 3D GRMHD Simulation of Black Hole Formation from Core-Collapse

Goni Halevi, Swapnil Shankar, Philipp Mösta +2

We present the first three-dimensional, fully general-relativistic magnetohydrodynamic (3D GRMHD) simulation of a black hole (BH) formed from the collapsed core of a massive star.…

astro-ph.HE2025★ 2 cited

3D full-GR simulations of magnetorotational core-collapse supernovae on GPUs: A systematic study of rotation rates and magnetic fields

Swapnil Shankar, Philipp Mösta, Roland Haas +1

We present a series of fully three-dimensional, dynamical-spacetime general relativistic magnetohydrodynamics (GRMHD) simulations of core-collapse supernovae (CCSNe) for a progenit…

astro-ph.HE2021★ 2 cited

Proto-magnetar jets as central engines for broad-lined type Ic supernovae

Swapnil Shankar, Philipp Mösta, Jennifer Barnes +2

A subset of type Ic supernovae (SNe Ic), broad-lined SNe Ic (SNe Ic-bl), show unusually high kinetic energies ( erg) which cannot be explained by the energy supplied…