Low Wavevector Phonons in the 2-Dimensional Electron Solid on Liquid Helium

  • F. I. B. Williams
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 51)

Abstract

Electrons trapped at the liquid-vapour (essentially vacuum) interface of helium at low temperatures make an ideally simple system of particles in interaction: two-dimensional motion with very small non-uniformity and exactly known monotonic power law interaction. From the experimental standpoint, the charge permits a strong, direct interaction with an electromagnetic probe field, while the low mass and scattering rate make possible quite direct experiments on the phonons despite the seemingly impossibly small number of particles (108–109).

Keywords

Helium Acoustics Neon Maki 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • F. I. B. Williams
    • 1
  1. 1.Service de Physique du Solide et Résonance MagnétiqueInstitut de Recherche Fondamentale C.E.N. SaclayGif sur Yvette, CedexFrance

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