Arc plasma 2 Capacitive couplings 2 Cavity resonators 2 Conducting bodies 2 Cutting torch 2 Cutting torches 2 Density profile 2 Electric fields 2 Electric potential 2 Electrostatic field 2 Electrostatic probe 2 Experimental studies 2 Finite size 2 Floating potentials 2 High energy densities 2 High-pressure arc 2 Ion currents 2 Ion-current signal 2 Langmuir probes 2 Magnetrons 2 Mass flow rate 2 Nozzle exits 2 Nozzles 2 Ohm's law 2 Oxygen 2 Oxygen cutting 2 Particle densities 2 Physical interpretation 2 Plasma diagnostic 2 Plasma diagnostics 2