Journal Article

Structure and deformations of strongly magnetized neutron stars with twisted-torus configurations

R. Ciolfi, V. Ferrari and L. Gualtieri

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 406, issue 4, pages 2540-2548
Published in print August 2010 | ISSN: 0035-8711
Published online August 2010 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2010.16847.x
Structure and deformations of strongly magnetized neutron stars with twisted-torus configurations

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We construct general relativistic models of stationary, strongly magnetized neutron stars. The magnetic field configuration, obtained by solving the relativistic Grad–Shafranov equation, is a generalization of the twisted-torus model recently proposed in the literature; the stellar deformations induced by the magnetic field are computed by solving the perturbed Einstein's equations; stellar matter is modelled using realistic equations of state. We find that in these configurations the poloidal field dominates over the toroidal field and that, if the magnetic field is sufficiently strong during the first phases of the stellar life, it can produce large deformations.

Keywords: gravitational waves; stars: magnetic field; stars: neutron

Journal Article.  5190 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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