Does ion tearing exist?

Details Does ion tearing exist? Does ion tearing exist?

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18..143p&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 18, Feb. 1991, p. 143-146.

Physics

141

Geomagnetic Tail, Ion Temperature, Neutral Sheets, Plasma-Electromagnetic Interaction, Tearing Modes (Plasmas), Electron Diffusion, Electron Energy, Magnetic Field Reconnection, Magnetic Flux

Scientific paper

Theoretical models of reconnection in the geomagnetic tail and its relationship to the collisionless tearing mode are examined analytically. The focus is on attempts to remove the stabilizing effects of electron compressibility in the quasi-neutral sheet. It is shown that this goal can be achieved by introducing spatial diffusion of electrons across the magnetic-flux surfaces, but not by wave-turbulent pitch-angle scattering (Coroniti, 1980) or nonadiabatic stochastic first-invariant diffusion (Buechner and Zelenyi, 1988). Hence the ion tearing mode does not exist, but the electron tearing mode does.

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