Hall-velocity limited magnetoconductivity in a 2D Wigner solid

P. Fozooni, K. Djerfi, A. Kristensen, M.J. Lea, P.J. Richardson, A. Santrich-Badal, A. Blackburn, R.W. Heijden, van der

Research output: Contribution to journalArticleAcademicpeer-review


The magnetoconductivity s(B) of a classical 2D electron crystal on superfluid4He is non-linear. Experimentally we find a contribution to s(B) which at constant field, gives s(B)8J x, the current density, while at constant current, s(B) 8 1/B. In this region the Hall velocity ¿H slowly approaches the ripplon velocity ¿I at the first reciprocal lattice vector, due to strong electron-ripplon interactions with the helium. The magnetoconductivity decreases sharply for ¿H>¿I. Fluctuations in s(B) are seen above the melting temperature.
Original languageEnglish
Pages (from-to)327-328
Number of pages2
JournalCzechoslovak Journal of Physics. Section B
Issue numbersuppl. 1
Publication statusPublished - 1996


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