The method comprises moving a magnetic field through the plasma to promote {HEAD ~ resonant inductive ionization}, preferably by sequentially energizing {TAIL ~ each} of a plurality of coils disposed radially about the plasma volume 
The method comprises moving a magnetic field through the plasma to promote { HEAD ~ resonant inductive ionization } , preferably by sequentially energizing { TAIL ~ each } of a plurality of coils disposed radially about the plasma volume
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH