Shock width measured under liquid and solid conditions in a two-dimensional dusty plasma

Anton Kananovich; J Goree

doi:10.1103/PhysRevE.104.055201

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Shock width measured under liquid and solid conditions in a two-dimensional dusty plasma

Journal article

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Shock width measured under liquid and solid conditions in a two-dimensional dusty plasma

Anton Kananovich and J Goree

Physical review. E, Vol.104(5-2), pp.055201-055201

11/01/2021

DOI: 10.1103/PhysRevE.104.055201

PMID: 34942742

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Abstract

Widths of shocks are compared, under liquid and solid conditions, for a two-dimensional layer of charged microspheres levitated in a plasma. In this strongly coupled dusty plasma, a shock was launched as a blast wave by moving an exciter wire at a supersonic speed and then bringing it to a halt. Runs were repeated with the layer of microspheres prepared two ways: a crystallinelike solid and a liquid. The liquid was sustained using laser heating, with conditions that were otherwise the same as in the solid. The shock width was found to be less in a liquid than in a solid, where it was four to six lattice constants. These measurements were based on the high-gradient region of density profiles. The profiles were obtained from particle coordinates, measured by high-speed video imaging. The spatial resolution was improved by combining particle coordinates, in the shock's frame of reference, from a sequence of images.

Details

Title: Subtitle: Shock width measured under liquid and solid conditions in a two-dimensional dusty plasma
Creators: Anton Kananovich - University of Iowa
J Goree - University of Iowa
Resource Type: Journal article
Publication Details: Physical review. E, Vol.104(5-2), pp.055201-055201
DOI: 10.1103/PhysRevE.104.055201
PMID: 34942742
ISSN: 2470-0045
eISSN: 2470-0053
Grant note: DOI: 10.13039/100000015, name: U.S. Department of Energy, award: DE-SC0014566; DOI: 10.13039/100000183, name: Army Research Office; DOI: 10.13039/100014036, name: Multidisciplinary University Research Initiative, award: W911NF-18-1-0240; DOI: 10.13039/100000104, name: National Aeronautics and Space Administration, award: 1663801
Language: English
Date published: 11/01/2021
Academic Unit: Physics and Astronomy; Mechanical Engineering
Record Identifier: 9984428662602771

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