52.00.00 Physics of plasmas and electric discharges (for space plasma physics, see 94.05.-a; for astrophysical plasmas, see 95.30.Qd; for physics of the ionosphere and magnetosphere, see 94.20.-y and 94.30.-d respectively)
52.20.-j Elementary processes in plasmas
52.25.-b Plasma properties (for chemical reactions in plasma, see 82.33.Xj)
52.27.-h Basic studies of specific kinds of plasmas
52.30.-q Plasma dynamics and flow
52.35.-g Waves, oscillations, and instabilities in plasmas and intense beams (see also 94.20.wf Plasma waves and instabilities in physics of the ionosphere; 94.30.cq MHD waves, plasma waves, and instabilities in physics of the magnetosphere; 96.50.Tf MHD waves, pl
52.38.-r Laser-plasma interactions (for plasma production and heating by laser beams, see 52.50.Jm)
52.50.-b Plasma production and heating (see also 52.80.-s Electric discharges)
52.55.-s Magnetic confinement and equilibrium (see also 28.52.-s Fusion reactors)
52.57.-z Laser inertial confinement
52.58.-c Other confinement methods
52.59.-f Intense particle beams and radiation sources (see also 29.25.-t Particle sources and targets, and 29.27.-a Beams in particle accelerators, in instrumentation for elementary-particle and nuclear physics)
52.80.-s Electric discharges (see also 51.50.+v Electrical properties of gases; for plasma reactions including flowing afterglow and electric discharges, see 82.33.Xj in physical chemistry and chemical physics)
52.90.+z Other topics in physics of plasmas and electric discharges (restricted to new topics in section 52)