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

Keiya Shirahama, Yuri P. Monarkha, Kimitoshi Kono

研究成果: Article査読

抄録

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.

本文言語English
ページ(範囲)1544-1548
ページ数5
ジャーナルJournal of Physics and Chemistry of Solids
66
8-9
DOI
出版ステータスPublished - 2005

ASJC Scopus subject areas

  • 化学 (全般)
  • 材料科学(全般)
  • 凝縮系物理学

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