Ripplon-Limited Mobility of a Two-Dimensional Crystal of Electrons: Experiment
- 1 March 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 48 (9) , 641-644
- https://doi.org/10.1103/physrevlett.48.641
Abstract
A measurement of the mobility of a two-dimensional Wigner lattice supported by a liquid-helium surface is reported, and the results are compared with theory. The data exhibit a minimum in the mobility as a function of temperature. A narrow excess scattering peak located at or near the melting temperature is reminiscent of excess scattering associated with the dissociation of vortex-antivortex pairs two-dimensional helium films and superconductors. Quantum corrections to the melting curve are observed.Keywords
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