Imaging of the Dust Acoustic Wave to Explore Synchronization

Wellalage Don; Suranga Ruhunusiri; John Goree

doi:10.1109/TPS.2014.2321105

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Imaging of the Dust Acoustic Wave to Explore Synchronization

Journal article

Open access

Imaging of the Dust Acoustic Wave to Explore Synchronization

Wellalage Don, Suranga Ruhunusiri and John Goree

IEEE transactions on plasma science, Vol.42(10), pp.2688-2689

10/2014

DOI: 10.1109/TPS.2014.2321105

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Abstract

A self-excited dust acoustic wave is synchronized by sinusoidal modulation of the ion density, and the wave is imaged by planar laser-light scattering. Space-time diagrams based on the images reveal how the nonlinearity of the plasma's response causes the wave's frequency to be synchronized to a multiple of 0.5, 1, 2, or 3 of the modulation frequency. Space-time diagrams also reveal wave front merging as is observed for a wide range of modulation frequencies.

Acoustic waves

Dusty plasmas

Frequency modulation

Frequency synchronization

plasma waves

Plasmas

Scattering

Synchronization

Details

Title: Subtitle: Imaging of the Dust Acoustic Wave to Explore Synchronization
Creators: Wellalage Don - University of Iowa
Suranga Ruhunusiri - University of Iowa
John Goree - University of Iowa
Resource Type: Journal article
Publication Details: IEEE transactions on plasma science, Vol.42(10), pp.2688-2689
DOI: 10.1109/TPS.2014.2321105
ISSN: 0093-3813
eISSN: 1939-9375
Publisher: IEEE
Grant note: National Aeronautics and Space Administration National Science Foundation
Language: English
Date published: 10/2014
Academic Unit: Physics and Astronomy; Mechanical Engineering
Record Identifier: 9984199831302771

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