Anharmonic oscillator description of plasma oscillations

R. A. Mahaffey

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The Physics of Fluid...arrow_drop_down

The Physics of Fluids

Article . 1976 . Peer-reviewed

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https://dx.doi.org/10.1063/1.8...

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Anharmonic oscillator description of plasma oscillations

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1976 English Publisher:AIP PublishingJournal:The Physics of Fluids, volume 19, pages 1,387-1,391 (issn: 0031-9171,

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Authors: R. A. Mahaffey;

doi: 10.1063/1.861642

Anharmonic oscillator description of plasma oscillations

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Abstract

Three recently investigated plasma oscillations have been found to be described by a nonlinear differential equation of the form d2x/dt2+ω20x+bx2+ax3=0. This equation is similar to the Duffing equation, but has many additional features. These features include additional shifts in the frequency of oscillation, asymmetry of the amplitude of oscillation, effects on the phase plane singularities, and changes in the resonance response curve. A discussion of each of these features is presented and a comparison of these features with experiment is made.

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University of Maryland, College Park
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