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Magnetic field amplification in hypermassive neutron stars via the magnetorotational instability
Daniel M. Siegel, Riccardo Ciolfi
Mergers of binary neutron stars likely lead to the formation of a hypermassive neutron star (HMNS), which is metastable and eventually collapses to a black hole. This merger scenar…
Magnetorotational instability in relativistic hypermassive neutron stars
Daniel M. Siegel, Riccardo Ciolfi, Abraham I. Harte +1
A differentially rotating hypermassive neutron star (HMNS) is a metastable object which can be formed in the merger of neutron-star binaries. The eventual collapse of the HMNS into…
Instability-driven evolution of poloidal magnetic fields in relativistic stars
Riccardo Ciolfi, Samuel K. Lander, Gian Mario Manca +1
The problem of the stability of magnetic fields in stars has a long history and has been investigated in detail in perturbation theory. Here we consider the nonlinear evolution of…