Observation of rapid atomic motion in solid 3He-4He mixtures using NMR

I. Schuster, Y. Swirsky, E. J. Schmidt, E. Polturak, S. G. Lipson

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


We compared liquid and solid 3He-4He mixtures at coexistence using NMR imaging of the density of 3He and of the T2 relaxation time in the two phases. We find that above 1 K, 3He atoms in a bcc solid are more mobile than in the superfluid liquid. This rapid motion, induced by vacancies, takes place on a microscopic scale and can be explained in terms of 3He-vacancy attraction of quantum origin. We relate our observations to similar effects observed in Sn-Pb alloys.

Original languageEnglish (US)
Pages (from-to)623-628
Number of pages6
JournalEurophysics Letters
Issue number8
StatePublished - Mar 10 1996
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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