Surface waves on a quantum plasma half-space

Kaw, P. K. ; McBride, J. B. (1970) Surface waves on a quantum plasma half-space Physics of Fluids, 13 (7). pp. 1784-1790. ISSN 0031-9171

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The effect of density gradients and a finite temperature on the dispersion relation for surface waves on a plasma half-space has been investigated analytically. The full set of Maxwell's equations is used to obtain the dispersion of surface waves on a warm homogeneous plasma, thus complementing earlier work on the electrostatic mode. The full surface-wave dispersion relation is then derived for a cold plasma with arbitrary but weak density profile in the WKB limit. Finally, the dispersion of electrostatic surface modes on a cold plasma with a linear density profile of arbitrary strength is obtained. It is shown that when the density variation over a wavelength is very large, a new type of damped surface wave with a frequency higher than the surface plasma frequency is possible.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
ID Code:30257
Deposited On:22 Dec 2010 10:31
Last Modified:04 Jun 2011 06:20

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