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