NONINDUCTIVE CURRENT-DRIVEN BY ALFVEN WAVES IN SOLAR CORONAL LOOPS

It has been shown that Alfven waves can drive non-inductive current in solar coronal loops via collisional or collisionless damping. Assumin g that all the coronal-loop density of dissipated wave power (W = 10(- 3) erg cm(-3) s(-1)), which is necessary to keep the plasma hot, is du e to Alfven wave electron heating, we have estimated the axial current density driven by Alfven waves to be [j(z)] approximate to 10(3)-10(5 ) statA cm(-2). This current can indeed support the quasi-stationary e quilibrium and stability of coronal loops and create the poloidal magn etic field up to B-theta approximate to 1-5 G.