Dynamo Action in Hall Magnetohydrodynamics

Details Dynamo Action in Hall Magnetohydrodynamics Dynamo Action in Hall Magnetohydrodynamics

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...567l..81m&link_type=abstract

The Astrophysical Journal, Volume 567, Issue 1, pp. L81-L83.

Astronomy and Astrophysics

Astronomy

22

Galaxies: Magnetic Fields, Magnetic Fields, Magnetohydrodynamics: Mhd, Stars: Magnetic Fields

Scientific paper

We show that the generally neglected Hall term in the equations for two-fluid magnetohydrodynamics may have a profound effect on α-dynamo action. The new calculation, in addition to subsuming the standard results from the mean field approach, contains a contribution to the α-coefficient entirely due to the Hall current in the microscale.

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