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Heat Transport in a Two-Dimensional Complex (Dusty) Plasma at Melting Conditions

Heat Transport in a Two-Dimensional Complex (Dusty) Plasma at Melting Conditions The heat transport in a two-dimensional complex (dusty) plasma undergoing a phase transition was studied experimentally. A single layer of highly charged polymer microspheres was suspended in a plasma sheath. A part of this lattice was heated by two counterpropagating focused laser beams that moved rapidly around in the lattice and provided short intense random kicks to the particles. Above a threshold, the lattice locally melted. The spatial profiles of the particle kinetic temperature were analyzed to find a thermal conductivity, which did not depend on temperature. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review Letters American Physical Society (APS)

Heat Transport in a Two-Dimensional Complex (Dusty) Plasma at Melting Conditions

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References (34)

Publisher
American Physical Society (APS)
Copyright
Copyright © 2008 The American Physical Society
ISSN
1079-7114
DOI
10.1103/PhysRevLett.100.025003
pmid
18232879
Publisher site
See Article on Publisher Site

Abstract

The heat transport in a two-dimensional complex (dusty) plasma undergoing a phase transition was studied experimentally. A single layer of highly charged polymer microspheres was suspended in a plasma sheath. A part of this lattice was heated by two counterpropagating focused laser beams that moved rapidly around in the lattice and provided short intense random kicks to the particles. Above a threshold, the lattice locally melted. The spatial profiles of the particle kinetic temperature were analyzed to find a thermal conductivity, which did not depend on temperature.

Journal

Physical Review LettersAmerican Physical Society (APS)

Published: Jan 18, 2008

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