Fast Magnetic Reconnection via Jets and Current Microsheets | Zendy

P. G. Watson | Zendy; I. J. D. Craig | Zendy

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Fast Magnetic Reconnection via Jets and Current Microsheets

Author(s) -

P. G. Watson,

I. J. D. Craig

Publication year - 2003

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/376566

Subject(s) - magnetic reconnection , physics , current sheet , astrophysics , plasma , current (fluid) , scaling , corona (planetary geology) , computational physics , magnetohydrodynamics , mechanics , astrobiology , geometry , nuclear physics , thermodynamics , mathematics , venus

Numerical simulations of highly nonlinear magnetic reconnection provide evidence of ultrathin current microsheets. These small-scale sheets are formed by strong exhaust jets from a primary large-scale current layer. The overall size of the secondary microsheet is determined by the thickness of the primary sheet. Preliminary scalings show that the thickness of the microsheet varies linearly with the plasma resistivity. This scaling suggests that microsheets may provide fast reconnection sites in magnetically complex plasmas such as the solar corona and planetary magnetospheres

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