Different-magnetic fields 6 Electron momentum equations 6 Magnetic filters 6 Boundary layers 4 Carrier concentration 4 Collision term 4 Collisionality 4 Electron density measurement 4 Electron mass 4 Electrons 4 Filtered arc 4 Microinstabilities 4 Poisson equation 4 Probes 4 Wall function 4 Annular anodes 2 Anomalous diffusion 2 Anomalous transport 2 Collisionless plasmas 2 Diffusion 2 Electrostatic potentials 2 Experimental measurements 2 Floating potentials 2 Friction 2 Friction effect 2 Ion mass 2 Ion momentum 2 Ion motions 2 Ion saturation current 2 Ions 2