G’day
Have a look at some of these links. Just get the gist of it and be awear of the scope with Z pinch.
Plasma Z-pinch ads
http://adsabs.harvard.edu/cgi-bin/nph-basic_connect?qsearch=Plasma+Z+pinch&version=1
and
Tokamak
http://arxiv.org/find/all/1/all:+tokamak/0/1/0/all/0/1
Like I said just get the gist of it.