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  Magnetic Field Instabilities in Neutron Stars

Ciolfi, R. (2014). Magnetic Field Instabilities in Neutron Stars. Astronomische Nachrichten, 335(3), 285-290. doi:10.1002/asna.201312033.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-0061-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-0062-3
Genre: Journal Article

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 Creators:
Ciolfi, Riccardo1, Author
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1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE, Astrophysics, Solar and Stellar Astrophysics, astro-ph.SR,General Relativity and Quantum Cosmology, gr-qc
 Abstract: Magnetic fields represent a crucial aspect of the physics and astrophysics of neutron stars. Despite its great relevance, the internal magnetic field configuration of neutron stars is very poorly constrained by the observations, and understanding its properties is a long-standing theoretical challenge. The investigation on the subject is focused on the search for those magnetic field geometries which are stable on several Alfv\`en timescales, thus constituting a viable description of neutron star interiors. Assesing the stability of a given magnetic field geometry is therefore an important part of this research. So far only simple configurations, such as the purely poloidal or purely toroidal ones, have been studied in detail in perturbation theory and, most recently, by means of nonlinear magnetohydrodynamic simulations. Here we review the basic results of the state-of-the-art general relativistic nonlinear studies, discussing the present status of the field and its future directions.

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 Dates: 2014-01-212014-03-032014
 Publication Status: Published in print
 Pages: 6 pages, 4 figures. Proceedings of the XMM-Newton Science Workshop 2013
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 Identifiers: arXiv: 1401.5276
DOI: 10.1002/asna.201312033
URI: http://arxiv.org/abs/1401.5276
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Title: Astronomische Nachrichten
  Other : Astron. Nachr.
Source Genre: Journal
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Pages: - Volume / Issue: 335 (3) Sequence Number: - Start / End Page: 285 - 290 Identifier: ISSN: 0004-6337