About: Ambient magnetic fields and dynamos: Pre-main sequence stars and elsewhere

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/edp/periodical/aa/2004/volume_414/issue_3/w
Subject	magnetic fields stars: chemically peculiar stars: evolution Stellar structure and evolution stars: magnetic fields stars: pre-main sequence
Title	Ambient magnetic fields and dynamos: Pre-main sequence stars and elsewhere
Date	2004-01-01(xsd:dateTime)
has manifestation of work	http://hub.abes.fr/edp/periodical/aa/2004/volume_414/issue_3/aa0178/m/print http://hub.abes.fr/edp/periodical/aa/2004/volume_414/issue_3/aa0178/m/web
related by	http://hub.abes.fr/edp/periodical/aa/2004/volume_414/issue_3/aa0178/authorship/1
Author	Moss D.
Abstract	The effects of an ambient (i.e. “external”) poloidal magnetic field on mean field dynamo action in a sphere are investigated. It is found that an ambient field of strength comparable to that of the poloidal field of the isolated dynamo will inhibit dynamo action. This ambient field will normally be considerably weaker than the typical total field resulting from $\alpha^2omega$ dynamo action. Given earlier similar results for disc dynamos, this appears to be a general result. Applications to pre-main sequence stars and the history of magnetic white dwarfs are discussed.
article type	research-article
publisher identifier	aa0178
Date Copyrighted	2004-01-01(xsd:dateTime)
Rights	© ESO, 2004
Rights Holder	ESO
is part of this journal	Astronomy & Astrophysics
is primary topic of	http://hub.abes.fr/edp/periodical/aa/2004/volume_414/issue_3/aa0178/w/record

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