Sliding dynamics of the Wigner crystal on liquid He

Yoshiyuki Shibayama, Masaya Yamazaki, Hanako Isshiki, Keiya Shirahama

Research output: Contribution to journalArticle

Abstract

The Wigner crystal on liquid He accompanies with periodic corrugation of the He surface; dimples. The dynamics of the crystal is coupled with the motion and the deformation of the dimples. Nonlinear phenomena found in AC Corbino conductivity are attributed to the collective sliding of the electrons out of the dimples. In order to inspect the dynamical transition to the sliding state, we have developed a novel experimental method using a so-called "t2 pulse", whose leading and trailing edges change in proportion to the square of time; V ∝ t2. Since the force exerting upon the crystal is proportional to the time derivative of the input voltage, dV/dt, the t2-pulsed method is expected to realize a continuous sweep of the driving force, resulting in the real-time observation of the sliding transition. The observed response shows clearly the sliding, revealing that the external force to the crystal determines the sliding transition.

Original languageEnglish
Pages (from-to)487-492
Number of pages6
JournalJournal of Low Temperature Physics
Volume126
Issue number1-2
DOIs
Publication statusPublished - 2002

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sliding
Crystals
Liquids
liquids
crystals
trailing edges
leading edges
Derivatives
alternating current
proportion
Electrons
Electric potential
conductivity
electric potential
pulses
electrons

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Sliding dynamics of the Wigner crystal on liquid He. / Shibayama, Yoshiyuki; Yamazaki, Masaya; Isshiki, Hanako; Shirahama, Keiya.

In: Journal of Low Temperature Physics, Vol. 126, No. 1-2, 2002, p. 487-492.

Research output: Contribution to journalArticle

Shibayama, Yoshiyuki ; Yamazaki, Masaya ; Isshiki, Hanako ; Shirahama, Keiya. / Sliding dynamics of the Wigner crystal on liquid He. In: Journal of Low Temperature Physics. 2002 ; Vol. 126, No. 1-2. pp. 487-492.
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