Physics – Plasma Physics
Scientific paper
Nov 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aps..dpptp8110y&link_type=abstract
American Physical Society, 51st Annual Meeting of the APS Division of Plasma Physics, November 2-6, 2009, abstract #TP8.110
Physics
Plasma Physics
Scientific paper
The fundamental physics of magnetic reconnection derived from the recent MRX experiment [1] is presented focusing on the different dynamics of electrons and ions during reconnection. Both local and global physics issues for reconnection and magnetic field dissipation are discussed. In the MRX scaling [1], the reconnection rate increases rapidly when the ion skin depth becomes larger than the Sweet-Parker width; the rate depends linearly on λmfp/L, a ratio of the electron mean free path to the scale length. This scaling can guide comparisons between laboratory results and astrophysical plasmas [2]. The recent experimental study of the global dynamics of line-tied solar flux ropes in a half-toroid plasma arc is also presented. [4pt] [1] M. Yamada et al, Phys. Plasmas, 13, 052119 (2006)[0pt] [2] D. A. Uzdensky, Phys. Rev. Lett., v.99, 261101 (2007).
Dorfman S.
Ji Hantao
Kulsrud Russell
Oz E.
Uzdensky Dmitri
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