Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-05-27
Astronomy and Astrophysics
Astrophysics
9 pages, 2 figures, submitted to Solar Physics
Scientific paper
10.1007/s11207-006-2017-x
We make some remarks on reconnection in plasmas and want to present some calculations related to the problem of finding velocity fields which conserve magnetic flux or at least magnetic field lines. Hereby we start from views and definitions of ideal and non-ideal flows on one hand, and of reconnective and non-reconnective plasma dynamics on the other hand. Our considerations give additional insights into the discussion on violations of the frozen--in field concept which started recently with the papers by Baranov & Fahr (2003a; 2003b). We find a correlation between the nonidealness which is given by a generalized form of the Ohm's law and a general transporting velocity, which is field line conserving.
Fahr Hans-Joerg
Nickeler Dieter H.
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