Current drive by Alfven waves in the solar coronal loops

Details Current drive by Alfven waves in the solar coronal loops Current drive by Alfven waves in the solar coronal loops

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994stin...9622800e&link_type=abstract

Conference Paper, Universidade do Estado do Rio de Janeiro Brazil Inst. de Fisica.

Physics

Coronal Loops, Current Density, Landau Damping, Magnetohydrodynamic Waves, Plasma Currents, Plasma Equilibrium, Magnetic Fields, Plasma Heating, Solar Wind, Eigenvalues

Scientific paper

It was shown that Alfven waves can drive non inductive current in Solar coronal loops via Landau damping. Assuming that all the coronal loop density of dissipated RF power (P = 10-3 erg/cm3s-1) necessary to keep the plasma hot is due to Alfven electron heating, we have estimated the axial current drive density to be (jz) approximately equal 103 stA/cm2. This current can indeed support the quasi-stationary equilibrium of coronal loops and create the observed poloidal magnetic field of B approximately equal to 10G.

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