Nonlinear transport of the Wigner solid on normal and superfluid 3He surfaces

Keiya Shirahama, Yuri P. Monarkha, Kimitoshi Kono

Research output: Contribution to journalArticle

Abstract

The two-dimensional Wigner solid (WS) formed on the free surface of liquid helium shows strongly nonlinear transport properties. Here we report on the observation and theoretical analysis of a novel nonlinear transport in the WS on both normal and superfluid 3He surfaces. We have observed a transition from Ohmic to nonlinear transport over a wide temperature range, from 200 μK to 200 mK at low electron velocities. The field-velocity (E-v) characteristics show peculiar nonmonotonic structures. We attribute the nonlinearity to the velocity-induced deformation of the periodic surface displacement due to the extremely strong damping in Fermi liquid 3He. The calculated E-v curves and thresholds are in excellent agreement with experiment.

Original languageEnglish
Pages (from-to)1544-1548
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume66
Issue number8-9
DOIs
Publication statusPublished - 2005 Aug

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Fermi liquids
Helium
liquid helium
Transport properties
velocity distribution
Damping
transport properties
damping
nonlinearity
thresholds
Electrons
Liquids
curves
electrons
Experiments
Temperature
temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Nonlinear transport of the Wigner solid on normal and superfluid 3He surfaces. / Shirahama, Keiya; Monarkha, Yuri P.; Kono, Kimitoshi.

In: Journal of Physics and Chemistry of Solids, Vol. 66, No. 8-9, 08.2005, p. 1544-1548.

Research output: Contribution to journalArticle

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