Calculation of Relaxation Times of k=0 Roton due to Orthohydrogen Impurities in Solid Parahydrogens
- 1 January 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (S3-1)
- https://doi.org/10.7567/jjaps.26s3.447
Abstract
Relaxation times of k=0 rotons are calculated in the low concentration of orthohydrogen in solid paprahydrogens by considering the electric quadrupole-quadrupole interaction between molecules and neglecting phonon contributions. The calculated results are in good agreements with the recent Rgman scattering experiment, although there is no adjustable parameter.Keywords
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