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gr-qc2021
Unstable modes of hypermassive compact stars driven by viscosity and gravitational radiation
Peter B. Rau, Armen Sedrakian
We study the oscillations modes of differential rotating remnants of binary neutron star inspirals by modeling them as incompressible Riemann ellipsoids parametrized by the ratio $…
astro-ph.HE2021
Magnetohydrodynamic stability of magnetars in the ultrastrong field regime I: The core
Peter B. Rau, Ira Wasserman
We study magnetohydrodynamic stability of neutron star core matter composed of neutrons, protons and leptons threaded by a magnetar-strength magnetic field -- G,…