Nonlinear Wigner solid transport on the free surface of normal and superfluid3He

Keiya Shirahama; Yuri P. Monarkha; Kimitoshi Kono

doi:10.1103/PhysRevLett.93.176805

Nonlinear Wigner solid transport on the free surface of normal and superfluid³He

Keiya Shirahama, Yuri P. Monarkha, Kimitoshi Kono

Department of Physics

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

A theoretical study of the nonlinear transport in the two-dimensional Wigner solid on the free surface of normal and superfluid ³ He was carried out. The transition from ohmic to nonlinear transport over a wide temperature range was observed from 200 μK to 200 mK at low electron velocities. The field-velocity (E-v) characteristics showed a nonmonotonic structure with a particular local maxima. It was found that the nonlinear E-v characteristics were due to the shape transformation of the surface dimples, which is caused by the strong damping effect inherent in the Fermi liquid at low temperatures.

Original language	English
Article number	176805
Pages (from-to)	176805-1-176805-4
Journal	Physical review letters
Volume	93
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.93.176805
Publication status	Published - 2004 Oct 2

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.93.176805

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abstract = "A theoretical study of the nonlinear transport in the two-dimensional Wigner solid on the free surface of normal and superfluid 3 He was carried out. The transition from ohmic to nonlinear transport over a wide temperature range was observed from 200 μK to 200 mK at low electron velocities. The field-velocity (E-v) characteristics showed a nonmonotonic structure with a particular local maxima. It was found that the nonlinear E-v characteristics were due to the shape transformation of the surface dimples, which is caused by the strong damping effect inherent in the Fermi liquid at low temperatures.",

author = "Keiya Shirahama and Monarkha, {Yuri P.} and Kimitoshi Kono",

note = "Funding Information: The experiment was performed in the Institute for Solid State Physics, University of Tokyo. We thank Oleg I. Kirichek for collaborating with us in the experiment. This work is partly supported by the Grant-in-Aid for Scientific Research from the Ministry of Education and Science in Japan.",

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AU - Shirahama, Keiya

AU - Monarkha, Yuri P.

AU - Kono, Kimitoshi

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N2 - A theoretical study of the nonlinear transport in the two-dimensional Wigner solid on the free surface of normal and superfluid 3 He was carried out. The transition from ohmic to nonlinear transport over a wide temperature range was observed from 200 μK to 200 mK at low electron velocities. The field-velocity (E-v) characteristics showed a nonmonotonic structure with a particular local maxima. It was found that the nonlinear E-v characteristics were due to the shape transformation of the surface dimples, which is caused by the strong damping effect inherent in the Fermi liquid at low temperatures.

AB - A theoretical study of the nonlinear transport in the two-dimensional Wigner solid on the free surface of normal and superfluid 3 He was carried out. The transition from ohmic to nonlinear transport over a wide temperature range was observed from 200 μK to 200 mK at low electron velocities. The field-velocity (E-v) characteristics showed a nonmonotonic structure with a particular local maxima. It was found that the nonlinear E-v characteristics were due to the shape transformation of the surface dimples, which is caused by the strong damping effect inherent in the Fermi liquid at low temperatures.

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Nonlinear Wigner solid transport on the free surface of normal and superfluid³He

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