Untwisting magnetospheres of neutron stars
Publication date: 04 Sep 2009
Authors: Beloborodov, A.M.
Journal: The Astrophysical Journal
Copyright: 2009. The American Astronomical Society.Magnetospheres of neutron stars are anchored in the rigid crust and can be twisted by sudden crustal motions ("starquakes"). The twisted magnetosphere does not remain static and gradually untwists, dissipating magnetic energy and producing radiation. The equation describing this evolution is derived, and its solutions are presented.