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A Potentially Stabilizing Magnetic Effect in Astrophysical Jets

Published online by Cambridge University Press:  09 August 2007

M. Viallet  and
H. Baty
M. Viallet
Affiliation:
Observatoire astronomique, Strasbourg, FRANCE email: viallet@astro.u-strasbg.fr email: baty@astro.u-strasbg.fr
H. Baty
Affiliation:
Observatoire astronomique, Strasbourg, FRANCE email: viallet@astro.u-strasbg.fr email: baty@astro.u-strasbg.fr
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Abstract

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We investigate the development of Kelvin-Helmholtz instabilities in magnetized jets by means of high-resolution spatial simulations. Our main finding is the existence of a stabilizing mechanism driven by the initial disruption of the jet. This mechanism gives rise to a local amplification of the magnetic field, which in turn leads to an enhanced stability of the jet configuration.

Keywords

Instabilities - magnetohydrodynamics (MHD) - ISM : jets and outflows - methods : numerical - plasmas
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S240: Binary Stars as Critical Tools & Tests in Contemporary Astrophysics , August 2006 , pp. 581 - 583
Copyright
Copyright © International Astronomical Union 2007

References

Baty, H. & Keppens, R. 2006, A&A, 447, 9 Google Scholar
Birkinshaw, M. 1991, in Beams and Jets in Astrophysics, Cambridge Univ. Press, 279 Google Scholar
Ferrari, A. 1998, Annual Rev. Astrophys., 36, 539 Google Scholar
Viallet, M. & Baty, H. in preparation Google Scholar
Tóth, G. 1996, Astrophysical Letters & Communications, 34, 245 Google Scholar