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

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

doi:10.1209/epl/i1996-00389-2

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 journal › Article › peer-review

17 Scopus citations

Abstract

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 language	English (US)
Pages (from-to)	623-628
Number of pages	6
Journal	Europhysics Letters
Volume	33
Issue number	8
DOIs	https://doi.org/10.1209/epl/i1996-00389-2
State	Published - Mar 10 1996
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1209/epl/i1996-00389-2

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abstract = "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.",

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doi = "10.1209/epl/i1996-00389-2",

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AU - Schuster, I.

AU - Swirsky, Y.

AU - Schmidt, E. J.

AU - Polturak, E.

AU - Lipson, S. G.

PY - 1996/3/10

Y1 - 1996/3/10

N2 - 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.

AB - 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.

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JO - Europhysics Letters

JF - Europhysics Letters

IS - 8

ER -

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

Abstract

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