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Quantum diffusion of isotopic impurities in solid4He and solid H2.

โœ Scribed by Erika G. Kisvarsanyi; N.S. Sullivan

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
134 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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โœฆ Synopsis

The temperature dependence of the diffusion of 3He impurities in solid 4He and HD impurities in solid para-H 2 is calculated for the regime where coherent motion of the isotopic impurities is interrupted by scattering from vacancies or phonons. In both cases the best fit to the experimental data is obtained using a model including vacancy scattering rather than phonon scattering.

๐Ÿ“œ SIMILAR VOLUMES

3He Impurities in Nearly Frictionless Tr
3He Impurities in Nearly Frictionless Transport of Solid 4He at Low Temperatures
โœ Prof. Kwang-Hua W. Chu ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 218 KB

## Abstract __Glassy matter, when subjected to high shear rates exhibit shear thinning, that is, the viscosity diminishes with increasing shear rate. One possible outcome for the almost vanishing viscosity is nearly frictionless transport, which is possible in solid ^4^He due to the presence of min