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On the temporal development of a plasma sheath

Published online by Cambridge University Press:  13 March 2009

J. W. Cipolla Jr  and
M. B. Silevitch
J. W. Cipolla Jr
Affiliation:
Northeastern University, Boston, Masachusetts 02115
M. B. Silevitch
Affiliation:
Northeastern University, Boston, Masachusetts 02115
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Extract

In this work we study a one-dimensional model for the time-dependent behaviour caused by placing an uncharged conducting surface in contact with a uniform equilibrium plasma. Both the probe potential and plasma response are unknown a priori but are specified through a set of self-consistent model equations and boundary conditions. We investigate some numerical and analytical consequences of this model. In particular, we consider such issues as (i) the formation and expansion of a quasi-neutral region connecting the non-neutral sheath to the distant undisturbed plasma; (ii) the validity of assuming the existence of a sheath edge; and (iii) the role of both static and dynamic Bohm criteria in the theory of unsteady sheath development.

Type
Articles
Information
Journal of Plasma Physics , Volume 25 , Issue 3 , June 1981 , pp. 373 - 389
Copyright
Copyright © Cambridge University Press 1981

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References

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