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Influence of metastable atoms on the formation of nonlocal EDF, electron reaction rates, and transport coefficients in argon plasma. / Yuan, C.; Zhou, Z.; Yao, Jingfeng; Bogdanov, E. A.; Kudryavtsev, A. A.; Rabadanov, K. M.

In: Plasma Sources Science and Technology, Vol. 28, No. 3, 035017, 20.03.2019.

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@article{d0d951dea1f144118494f74623d15ce7,
title = "Influence of metastable atoms on the formation of nonlocal EDF, electron reaction rates, and transport coefficients in argon plasma",
abstract = "The influence of metastable atoms on formation of the nonlocal electron distribution function (EDF) and other characteristics of gas-discharge plasma in argon is investigated in this paper. Superelastic collisions of electrons with metastable atoms strongly affect the shape of the EDF, the behavior of reaction rate constants, and other plasma characteristics. An interesting phenomenon of EDF replication emerges with a period of excitation threshold; this effect can increase the rate constants of excitation and ionization processes by several orders of magnitude, especially at the periphery of the plasma volume. Thus, collisions between electrons and metastable atoms are important in the formation of a nonlocal EDF, and neglecting them can lead to large errors in calculations of plasma characteristics.",
keywords = "Boltzmann equation, Gas discharge, Low-temperature plasma, Metastable atoms, Nonlocal electron distribution function, Positive column, Superelastic collisions",
author = "C. Yuan and Z. Zhou and Jingfeng Yao and Bogdanov, {E. A.} and Kudryavtsev, {A. A.} and Rabadanov, {K. M.}",
year = "2019",
month = mar,
day = "20",
doi = "10.1088/1361-6595/ab0954",
language = "English",
volume = "28",
journal = "Plasma Sources Science and Technology",
issn = "0963-0252",
publisher = "IOP Publishing Ltd.",
number = "3",

}

RIS

TY - JOUR

T1 - Influence of metastable atoms on the formation of nonlocal EDF, electron reaction rates, and transport coefficients in argon plasma

AU - Yuan, C.

AU - Zhou, Z.

AU - Yao, Jingfeng

AU - Bogdanov, E. A.

AU - Kudryavtsev, A. A.

AU - Rabadanov, K. M.

PY - 2019/3/20

Y1 - 2019/3/20

N2 - The influence of metastable atoms on formation of the nonlocal electron distribution function (EDF) and other characteristics of gas-discharge plasma in argon is investigated in this paper. Superelastic collisions of electrons with metastable atoms strongly affect the shape of the EDF, the behavior of reaction rate constants, and other plasma characteristics. An interesting phenomenon of EDF replication emerges with a period of excitation threshold; this effect can increase the rate constants of excitation and ionization processes by several orders of magnitude, especially at the periphery of the plasma volume. Thus, collisions between electrons and metastable atoms are important in the formation of a nonlocal EDF, and neglecting them can lead to large errors in calculations of plasma characteristics.

AB - The influence of metastable atoms on formation of the nonlocal electron distribution function (EDF) and other characteristics of gas-discharge plasma in argon is investigated in this paper. Superelastic collisions of electrons with metastable atoms strongly affect the shape of the EDF, the behavior of reaction rate constants, and other plasma characteristics. An interesting phenomenon of EDF replication emerges with a period of excitation threshold; this effect can increase the rate constants of excitation and ionization processes by several orders of magnitude, especially at the periphery of the plasma volume. Thus, collisions between electrons and metastable atoms are important in the formation of a nonlocal EDF, and neglecting them can lead to large errors in calculations of plasma characteristics.

KW - Boltzmann equation

KW - Gas discharge

KW - Low-temperature plasma

KW - Metastable atoms

KW - Nonlocal electron distribution function

KW - Positive column

KW - Superelastic collisions

UR - http://www.scopus.com/inward/record.url?scp=85066239048&partnerID=8YFLogxK

U2 - 10.1088/1361-6595/ab0954

DO - 10.1088/1361-6595/ab0954

M3 - Article

AN - SCOPUS:85066239048

VL - 28

JO - Plasma Sources Science and Technology

JF - Plasma Sources Science and Technology

SN - 0963-0252

IS - 3

M1 - 035017

ER -

ID: 42900846