Small? models of relaxation of a dense inert-gas plasma

Problems of mathematical simulation of the relaxation kinetics of the plasma of dense inert gases are considered. A ''small'' model is constructed for the relaxation of helium plasma; the model takes into account the time dependences of the density and temperature of the electrons, of the gas temperature, and of the population of one effective excimer state. The results of the calculations agree with the preceding results of an analysis of a more detailed model (15 equations) at pressures higher than atmospheric. A small model for the relaxation of a xenon plasma is constructed and takes into account also the effective excited atomic state. The calculation results are compared with the experiments.