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26 January 2022
 
  » arxiv » astro-ph/0412366

 Article overview


Importance of magnetic helicity in dynamos
A. Brandenburg ;
Date 15 Dec 2004
Journal in Cosmic magnetic fields, ed. R. Wielebinski & R. Beck, Springer, pp. 219-253 (2005) DOI: 10.1007/11369875_9
Subject astro-ph
AffiliationNordita
AbstractMagnetic helicity is nearly conserved and its evolution equation provides a dynamical feedback on the alpha effect that is distinct from the conventional algebraic alpha quenching. The seriousness of this dynamical alpha quenching is particularly evident in the case of closed or periodic boxes. The explicit connection with catastrophic alpha quenching is reviewed and the alleviating effects of magnetic and current helicity fluxes are discussed.
Source arXiv, astro-ph/0412366
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