Properties of the diffusion and drift kinetic coefficients in momentum space for a cold Fermi system

Abstract

Using the methods of kinetic theory, expressions for the diffusion and drift coefficients for a cold Fermi system are obtained. Their dependencies on the momentum are calculated for the step distribution function as well as in the case of excitation of a particle-hole pair.

Keywords

• kinetic theory
• fermi system
• diffusion approach
• diffusion and drift coefficients.