Magnetohydrodynamic stability of magnetars in the ultrastrong field regime I: The core
Peter B. Rau,
Ira Wasserman
Abstract:We study magnetohydrodynamic stability of neutron star core matter composed of neutrons, protons and leptons threaded by a magnetar-strength magnetic field 10 14 -10 17 G, where quantum electrodynamical effects and Landau quantization of fermions are important. Stability is determined using the Friedman-Schutz formalism for the canonical energy of fluid perturbations, which we calculate for a magnetizable fluid with π» = π΅. Using this and the Euler-Heisenberg-Fermi-Dirac Lagrangian for a strongly magnetized f… Show more
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