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The mobility of positively charged `snowballs' in normal liquid helium

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journal contribution
posted on 17.11.2015, 11:34 by F. Aitken, N. Bonifaci, Luis Guillermo Mendoza Luna, Klaus von Haeften
Positively charged helium clusters, also called ‘snowballs’, have been investigated within normal liquid helium. Thermodynamic state equations for ionic helium clusters in liquid helium have been developed, allowing us to discern the ‘hydrodynamic’ radius for a wide range of hydrostatic pressures and temperatures. The mobilities derived from the cluster sizes using stokes law match experimental data with unsurpassed accuracy. For low pressures the compressibility of the cluster ions was found to be distinctly larger than the compressibility of solid helium suggesting that in this pressure range clusters are fully or partially liquid.

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Citation

Physical Chemistry Chemical Physics, 2015, 17, pp. 18535-18540 (6)

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and Astronomy

Version

AM (Accepted Manuscript)

Published in

Physical Chemistry Chemical Physics

Publisher

Royal Society of Chemistry

issn

1463-9076

eissn

1463-9084

Acceptance date

22/06/2015

Copyright date

2015

Available date

22/06/2016

Publisher version

http://pubs.rsc.org/en/Content/ArticleLanding/2015/CP/C5CP02539G#!divAbstract

Notes

The file associated with this record is under a 12-month embargo from publication in accordance with the publisher's self-archiving policy, available at http://www.rsc.org/journals-books-databases/open-access/green-open-access/. The full text may be available through the publisher links provided above.

Language

en

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