THE INFLUENCE OF ELECTRON EMISSION ON THE CHARGE AND EFFECTIVE POTENTIAL OF A DUST PARTICLE IN PLASMA

被引：0

作者：

Zagorodny, A. ^{[1
]}

Mal'nev, V. ^{[2
]}

Rumyantsev, S. ^{[2
]}

机构：

[1] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, 14b Metrolohichna Str, UA-03143 Kiev, Ukraine

[2] Taras Shevchenko Kyiv Natl Univ, Fac Phys, UA-03127 Kiev, Ukraine

来源：

UKRAINIAN JOURNAL OF PHYSICS | 2005年 / 50卷 / 05期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dynamics of charging of a dust particle in an electron-ion plasma in the presence of the external volume-ionization sources generating the plasma is investigated by means of numerical methods with regard for the electron photoemission from the surface of a dust particle. The stationary distributions of electron and ion concentrations in the neighborhood of the dust particle, as well as its charge and effective potential, are calculated. It is shown that the sign of this charge is determined by both the emission properties and the intensity of the external sources of ionization. The results of numerical calculations are presented in the graphical form.

引用

页码：448 / 454

页数：7

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