Zeitschrift für Physik B Condensed Matter

, Volume 98, Issue 3, pp 303–308

Ions at helium interfaces

  • Paul Leiderer
Ions and Atoms at the Surface of Superfluid Helium

DOI: 10.1007/BF01338394

Cite this article as:
Leiderer, P. Z. Physik B - Condensed Matter (1995) 98: 303. doi:10.1007/BF01338394


The boundaries between different phases of condensed helium provide an interesting testing ground for studying ions in a quantum matter matrix. Here we consider the simplest positive and negative ions in helium — snowballs and electron bubbles, respectively — being trapped at the liquid-liquid interface of phaseseparated3He−4He mixtures and at the liquid-solid interface of4He. A comparison of experimental results for the trapping with predictions of the snowball and the bubble models shows that the models are in qualitative accord with the observations, but disagree in detail. It is suggested to use such studies for refinements of the ion models. In addition multielectron bubbles (=mesoscopic ions) and electrons on helium films are briefly discussed.

Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • Paul Leiderer
    • 1
  1. 1.Fakultät für PhysikUniversität KonstanzKonstanzGermany

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