Initial Magnetization of Galaxies by Exploding, Magnetized Stars

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dc.contributor.author Kowalik, Kacper
dc.contributor.author Hanasz, Michał
dc.date.accessioned 2012-12-19T09:06:12Z
dc.date.available 2012-12-19T09:06:12Z
dc.date.issued 2007-12-14
dc.identifier.citation YSC'14 Proceedings of Contributed Papers (eds. G. Ivashchenko, A. Golovin), Kyiv, Kyivskyi Universytet, pp. 49-53, 2007
dc.identifier.uri http://repozytorium.umk.pl/handle/item/243
dc.description.abstract We conduct a series of magnetohydrodynamical (MHD) simulations of magnetized interstellar medium (ISM) disturbed by exploding stars. Each star deposits a randomly oriented, dipolar magnetic field into ISM. The simulations are performed in a Cartesian box, in a reference frame that is corotating with the galactic disk. The medium is stratified by vertical galactic gravity. The resulting turbulent state of ISM magnetized by the stellar explosions is processed with the aid of Fourier analysis. The results leads to the conclusion that the input of magnetic energy from exploding stars is additionally multiplied by differential rotation. The resulting magnetic field appears to grow up in small-scale component, while the total magnetic flux remains limited. Our results indicate that magnetic field originating from exploding stars can be a source of initial magnetic fields for a subsequent dynamo process.
dc.language.iso eng
dc.relation.uri http://arxiv.org/abs/0712.1540
dc.rights info:eu-repo/semantics/openAccess
dc.subject Astrophysics
dc.title Initial Magnetization of Galaxies by Exploding, Magnetized Stars
dc.type info:eu-repo/semantics/article

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