The collision frequency of electron-neutral-particle in the weakly ionized plasmas with Non-Maxwellian velocity distributions

TL;DR

This paper investigates how non-Maxwellian velocity distributions affect electron-neutral collision frequencies in weakly ionized plasmas, revealing significant dependence on spectral indices and implications for plasma transport properties.

Contribution

It derives accurate formulas for collision frequencies in non-Maxwellian plasmas and analyzes their dependence on spectral indices, highlighting differences from Maxwellian cases.

Findings

Collision frequencies depend strongly on spectral indices.

Non-Maxwellian distributions alter transport properties.

Numerical analysis confirms the impact of spectral indices.

Abstract

The collision frequencies of electron-neutral-particle in the weakly ionized complex plasmas with the non-Maxwellian velocity distributions are studied. The average collision frequencies of electron-neutral-particle in the plasmas are derived accurately. We find that these collision frequencies are significantly dependent on the power-law spectral indices of non-Maxwellian distribution functions and so they are generally different from the collision frequencies in the plasmas with a Maxwellian velocity distribution, which will affect the transport properties of the charged particles in the plasmas. Numerically analyses are made to show the roles of the spectral indices in the average collision frequencies respectively.