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Simulations of the Ion Current to a Probe in Plasma with Allowance for Ionization and Ion–Neutral Collisions: II. Cylindrical Probe

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Abstract

The ion current to a cylindrical probe is considered with allowance for volume ionization, ion–neutral collisions, and the ion orbital moment. A model based on the molecular dynamics method and applicable in a wide range of plasma parameters (rp/λD= 0.01–100, ri/λD= 0.002–200, νi/ω0i= 0.01–0.05, and Ti/Te = 0−0.01) is proposed A convenient representation of the dependence of the relative ion current density on the Langmuir coefficient β2 and a technique for determining the plasma density from simulation results are offered.

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Authors and Affiliations

  1. Petrozavodsk State University, Petrozavodsk, Republic of Karelia, 185910, Russia

    V. S. Ignakhin & V. I. Sysun

Authors
  1. V. S. Ignakhin
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  2. V. I. Sysun
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Correspondence to V. S. Ignakhin.

Additional information

Original Russian Text © V.S. Ignakhin, V.I. Sysun, 2018, published in Fizika Plazmy, 2018, Vol. 44, No. 10, pp. 812–819.

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Ignakhin, V.S., Sysun, V.I. Simulations of the Ion Current to a Probe in Plasma with Allowance for Ionization and Ion–Neutral Collisions: II. Cylindrical Probe. Plasma Phys. Rep. 44, 939–946 (2018). https://doi.org/10.1134/S1063780X18100057

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  • DOI: https://doi.org/10.1134/S1063780X18100057

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