| Numéro |
J. Phys. Colloques
Volume 42, Numéro C6, Décembre 1981
International Conference on Phonon Physics
|
|
|---|---|---|
| Page(s) | C6-531 - C6-533 | |
| DOI | https://doi.org/10.1051/jphyscol:19816155 | |
International Conference on Phonon Physics
J. Phys. Colloques 42 (1981) C6-531-C6-533
DOI: 10.1051/jphyscol:19816155
1 Philips Research Laboratories, 5600 MD Eindhoven, The Netherlands
2 HILTI A.G. FL-9494 Schaan, Fürstentum Liechtenstein
J. Phys. Colloques 42 (1981) C6-531-C6-533
DOI: 10.1051/jphyscol:19816155
ATTENUATION OF SECOND SOUND IN SOLIDS
K. Weiss1, 21 Philips Research Laboratories, 5600 MD Eindhoven, The Netherlands
2 HILTI A.G. FL-9494 Schaan, Fürstentum Liechtenstein
Abstract
The small-amplitude plane-wave solutions of the Boltzmann-Peierls equation for phonons in solids are classified and the propagation properties of second sound are discussed in a simple way. Specifically the transition (e.g. with rising temperature) from the case where momentum non-conserving phonon collison processes are much slower than the N-processes (second sound regime) to the case where the U-processes dominate (heat diffusion regime) is examined in detail.