Driven transverse shear waves in a strongly coupled dusty plasma |
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Authors: | P. Bandyopadhyay G. Prasad A. Sen P.K. Kaw |
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Affiliation: | Institute for Plasma Research, Bhat, Gandhinagar 382428, India |
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Abstract: | The linear dispersion properties of transverse shear waves in a strongly coupled dusty plasma are experimentally studied in a DC discharge device by exciting them in a controlled manner with a variable frequency external source. The dusty plasma is maintained in the strongly coupled fluid regime with (1<Γ?Γc) where Γ is the Coulomb coupling parameter and Γc is the crystallization limit. A dispersion relation for the transverse waves is experimentally obtained over a frequency range of 0.1 Hz to 2 Hz and found to show good agreement with viscoelastic theoretical results. |
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Keywords: | 52.25.Zb 52.35.Fp 52.25.Ub |
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