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Numerical analysis of strong Langmuir turbulence excited by transverse plasmons in a laser plasma

Published online by Cambridge University Press:  01 October 2007

X. L. LIU  and
S. Q. LIU
X. L. LIU
Affiliation:
Department of Material, NanChang University, JiangXi, NanChang 330047, People's Republic of China ([email protected]) Department of Physics, NanChang University, JiangXi, NanChang 330047, People's Republic of China ([email protected])
S. Q. LIU
Affiliation:
Department of Material, NanChang University, JiangXi, NanChang 330047, People's Republic of China ([email protected]) Department of Physics, NanChang University, JiangXi, NanChang 330047, People's Republic of China ([email protected])
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Abstract

Langmuir waves excited by transverse pumping plasmons near the critical surface in a laser-plasma may collapse, leading to the formation of a density cavity owing to the ponderomotive force. The collapse behavior of electromagnetic waves, Langmuir waves and ion-sound waves are studied numerically. The interactions of the three-wave system will lead to the tendency for an equilibration of energy over both the transverse and Langmuir plasmons with the same frequency near ωpe, which is shown in our numerical analysis.

Type
Papers
Information
Journal of Plasma Physics , Volume 73 , Issue 5 , October 2007 , pp. 659 - 669
Copyright
Copyright © Cambridge University Press 2006

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