Paul Charbonneau
Broschiertes Buch

Solar and Stellar Dynamos

Saas-Fee Advanced Course 39 Swiss Society for Astrophysics and Astronomy

Herausgegeben: Steiner, Oskar
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Astrophysical dynamos are at the heart of cosmic magnetic fields of a wide range of scales, from planets and stars to entire galaxies. This book presents a thorough, step-by-step introduction to solar and stellar dynamos. Looking first at the ultimate origin of cosmic seed magnetic fields, the antagonists of field amplification are next considered: resistive decay, flux expulsion, and flows ruled out by anti-dynamo theorems. Two kinematic flows that can act as dynamos are then studied: the Roberts cell and the CP-flow. Mean-field electrodynamics and derivation of the mean-field dynamo equation...