Fundamental flux tubes in the solar magnetic fields. [Part] 2: Generation of the FFT's and the periodic field-reversal

It is conceivable that the periodic reversal of the Sun's large-scale magnetic field and the concentration of the field in strong thin flux tubes on small scales could both result from the following likely processes near the base of the convection zone. It is likely that in a base layer of thickness 105 km near the base of the convection zone a small part (approximately 0.4 percent) of the energy flux from below goes into an azimuthal magnetoaccoustic oscillation and once in approximately 11y or so such an oscillation reaches a critical amplitude approximately 104 (cm s-1) when it undergoes a 'shock transition' to a cellular (azimuthal) convective mode. The shock transition will involve creation of electric current sheaths and magnetic flux sheaths of field intensity approximately 104G and thickness approximately 102 km each near the 'nodal' meridian planes. The electric current sheaths would provide the 'reversed' magnetic field on one side and the magnetic flux sheaths would eventually degenerate into 'clusters' of thousands of flux tubes of fluxes 1018Mx each. (author)