Numerical simulations of turbulent dynamos
Astrophysics
2007-05-23 v1
Abstract
Using a periodic box calculation it is shown that, owing to helicity conservation, a large scale field can only develop on a resistive timescale. This behaviour can be reproduced by a mean-field dynamo with alpha and eta_t quenchings that are equally strong and `catastrophic'.
Keywords
Cite
@article{arxiv.astro-ph/0010495,
title = {Numerical simulations of turbulent dynamos},
author = {Axel Brandenburg},
journal= {arXiv preprint arXiv:astro-ph/0010495},
year = {2007}
}
Comments
3 Pages LaTex, to appear in proceedings of the 24th IAU General Assembly, Joint Discussion 14 "The Origins of Galactic Magnetic Fields"