QUANTUM DIFFUSION OF IMPURITONS IN THE GAS OF PHONONS IN QUANTUM MIXTURES OF HELIUM-ISOTOPES

Authors
ADAMENKO IN NEMCHENKO KE ZHUKOV AV GEORGE TF
Citation
In. Adamenko et al., QUANTUM DIFFUSION OF IMPURITONS IN THE GAS OF PHONONS IN QUANTUM MIXTURES OF HELIUM-ISOTOPES, Journal of low temperature physics, 111(3-4), 1998, pp. 603-608
Citations number
11
Categorie Soggetti
Physics, Applied
Journal title
Journal of low temperature physics → ACNP
ISSN journal
00222291
Volume
111
Issue
3-4
Year of publication
1998
Pages
603 - 608
Database
ISI
SICI code
0022-2291(1998)111:3-4<603:QDOIIT>2.0.ZU;2-M
Abstract
The system of kinetic equations for distribution functions of impurity excitations in solid He-3-He-4 mixtures in the presence of phonons is solved. The results obtained allows us to calculate the spin diffusio n coefficient of He-3-He-4 quantum crystals. The found expression diff ers from the results of the previous theoretical studies, A comparison of the obtained diffusion coefficient with experimental data makes it possible to determine the numerical values of the energy band width o f impurity excitations.