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Mobility of alkali earth ions in superfluid helium

  • Liquid Helium
  • Published:
Czechoslovak Journal of Physics Aims and scope

Abstract

Alkali earth ions are utilized as microscopic probes in superfluid helium to study the roton limited mobility in the kinetic regime. A new ion source was used in the gas phase as well as inside the liquid helium (4He). Drift velocities have been measured as a function of the electrical drift field for He+, Ca+, Sr+, Ba+ and for Mg+ ions. Data for the latter ion were not available so far. The results of recent measurements fit well into the picture extrapolated from the other ions.

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Authors and Affiliations

  1. Physikalisches Institut der Universität Heidelberg, Philosophenweg 12, 69120, Heidelberg, Germany

    M. Foerste, H. Günther, M. Kunze, G. zu Putlitz, U. von Stein & B. Tabbert

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  1. M. Foerste
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  2. H. Günther
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  3. M. Kunze
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  4. G. zu Putlitz
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  5. U. von Stein
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  6. B. Tabbert
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Foerste, M., Günther, H., Kunze, M. et al. Mobility of alkali earth ions in superfluid helium. Czech J Phys 46 (Suppl 1), 365 (1996). https://doi.org/10.1007/BF02569598

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  • DOI: https://doi.org/10.1007/BF02569598

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