The collision frequencies in the plasmas with the power-law q-distributions in nonextensive statistics

Yue Wang and Jiulin Du

Physica A: Statistical Mechanics and its Applications, 2021, vol. 566, issue C

Abstract: We study the collision frequencies of particles in the weakly and highly ionized plasmas with the power-law q-distributions in nonextensive statistics. We derive the average collision frequencies of neutral–neutral particle, electron–neutral particle, ion–neutral​ particle, electron–electron, ion–ion and electron–ion, respectively, in the q-distributed plasmas. We show that the average collision frequencies depend strongly on the q-parameter in a complex form and thus their properties are significantly different from those in Maxwell-distributed plasmas. These new average collision frequencies are important for us to study accurately the transport property in the complex plasmas with non-Maxwell/power-law velocity distributions.

Keywords: Collision frequency; Power-law velocity q-distributions; Weakly and highly ionized plasmas; Nonextensive statistics (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:566:y:2021:i:c:s0378437120309213

DOI: 10.1016/j.physa.2020.125623

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