Journal
PHYSICS LETTERS A
Volume 378, Issue 22-23, Pages 1632-1635Publisher
ELSEVIER
DOI: 10.1016/j.physleta.2014.04.011
Keywords
Large amplitude waves; Plasma oscillations; Parametric processes
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We consider a cold plasma in order to find new large-amplitude wave solutions in the long-wavelength limit. Accordingly we derive two generic coupled equations which describe the energy exchange between the electrostatic and electromagnetic waves. A new kind of quasi-periodic behavior is found. Our derivations may be considered as a prerequisite to extended studies of stimulated Raman scattering for cases where the wave amplitudes are so large that standard perturbation techniques are not applicable. (C) 2014 Elsevier B.V. All rights reserved.
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