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Electric sheath and presheath in a collisionless, finite ion temperature plasma

Phys. Fluids 23, 803 (1980); doi:10.1063/1.863062

Issue Date: April 1980

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G. A. Emmert, R. M. Wieland, A. T. Mense, and J. N. Davidson
University of Wisconsin, Madison, Wisconsin, 53706
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830
Georgia Institute of Technology, Atlanta, Georgia 30332
The plasma-sheath equation for a collisionless plasma with arbitrary ion temperature in plane geometry is formulated. Outside the sheath, this equation is approximated by the plasma equation, for which an analytic solution for the electrostatic potential is obtained. In addition, the ion distribution function, the wall potential, and the ion energy and particle flux into the sheath are explicitly calculated. The plasma-sheath equation is also solved numerically with no approximation of the Debye length. The numerical results compare well with the analytical results when the Debye length is small. Physics of Fluids is copyrighted by The American Institute of Physics.
Permalink: http://dx.doi.org/10.1063/1.863062
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KEYWORDS and PACS

Keywords
PACS
  • 52.40.Kh
    The physics of plasmas and electric discharges Plasma interactions Sheaths
  • 52.70.Ds
    The physics of plasmas and electric discharges Plasma diagnostic techniques and instrumentation Electric and magnetic measurements
  • YEAR: 1980

PUBLICATION DATA

ISSN:
0031-9171 (print)   1089-7666 (online)
Publisher:
AIP is a member of CrossRef AIP

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