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Surface explosive instability for high frequency waves

Ray, RN and Atre, MV and Gopalswamy, N and Krishan, S (1982) Surface explosive instability for high frequency waves. In: Plasma Physics and Controlled Fusion, 24 (3). pp. 319-329.

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Official URL: http://www.iop.org/EJ/abstract/0032-1028/24/3/008/


High frequency three-wave nonlinear 'explosive' interaction of the surface modes of a semi-infinite beam-plasma system under no external field is investigated. The conditions that favour nonlinear instability, keep the plasma linearly stable. The beam runs parallel to the surface. If at least one of the three wave vectors of the surface modes is parallel to the beam, explosive interaction at the surface takes place after it has happened in the plasma bulk, provided the bulk waves propagate almost perpendicular to the surface and are of short wavelength. On the other hand if the bulk modes have long wavelength and propagate almost parallel to the surface, the surface modes can 'explode' first.

Item Type: Journal Article
Publication: Plasma Physics and Controlled Fusion
Publisher: Institute of Physics
Additional Information: Copyright of this article belongs to Institute of Physics.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 30 Dec 2009 07:14
Last Modified: 19 Sep 2010 05:38
URI: http://eprints.iisc.ac.in/id/eprint/21776

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