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Astrophysics > High Energy Astrophysical Phenomena
We present the implementation of a multidimensional general-relativistic Boltzmann solver for neutrino transport using the finite volume method. We extend the general-relativistic magnetohydrodynamics solver \texttt{Gmunu} to discretize the full $6$D phase space. We discretize the momentum space in spherical coordinates in the comoving frame, and the position space in the lab frame in Cartesian, cylindrical or spherical coordinates.
Astrophysics > High Energy Astrophysical Phenomena
[Submitted on 30 Jul 2026 ( v1 ), last revised 28 Sep 2026 (this version, v2)] Title:Spinning down neutron-star merger remnants with the Tayler-Spruit dynamo: Global simulations reveal the formation of massive disks and neutron-rich ejecta View a PDF of the paper titled Spinning down neutron-star merger remnants with the Tayler-Spruit dynamo: Global simulations reveal the formation of massive disks and neutron-rich ejecta, by Harry Ho-Yin Ng and Elias R.
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