THE COLLISIONAL PROCESSES IN SEMICLASSICAL PARTIALLY IONIZED HYDROGEN PLASMA LOCATING IN EXTERNAL ELECTRIC FIELD

Abstract

The investigation of the kinetic, transport, thermodynamic, and optical properties of dense plasmas is great of interests due to their application in many installations such as in the implementation of inertial thermonuclear fusion and etc. In present work the collision processes in a quasi-classical partially ionized hydrogen plasma situating are investigatedin an external electric field. The friction force on the basis of pseudopotential models are determined as the function of coupling and density parameters. Dependencies of critical electric field on the plasma density and temperature  were obtained. It is shown that if the quantum-mechanical and screeningeffects in dense partially ionized hydrogen  plasma are taken into consideration, friction force curve for electrons has maxima.The critical electric field calculated on the basis of the pseudopotential models increases with the increase of plasma density and with the decrease of plasma temperature. This happens due to several factors: decrease of the collision frequency in dense plasma and formation of some ordered structures in dense plasma.