| Numéro |
J. Phys. Colloques
Volume 42, Numéro C6, Décembre 1981
International Conference on Phonon Physics
|
|
|---|---|---|
| Page(s) | C6-161 - C6-163 | |
| DOI | https://doi.org/10.1051/jphyscol:1981649 | |
International Conference on Phonon Physics
J. Phys. Colloques 42 (1981) C6-161-C6-163
DOI: 10.1051/jphyscol:1981649
1 Bell Laboratories, Murray Hill, N.J. 07974, U.S.A.
2 Physics Dept., City College of New York, New York 10031
3 Kernforschungszentrum Karlsruhe, FRG, Inst. f. Angew. Kernphys. I
J. Phys. Colloques 42 (1981) C6-161-C6-163
DOI: 10.1051/jphyscol:1981649
LIFETIMES OF HIGH FREQUENCY PHONONS
M. Lax1, 2, V. Narayanamurti1, P. Hu1 et W. Weber1, 31 Bell Laboratories, Murray Hill, N.J. 07974, U.S.A.
2 Physics Dept., City College of New York, New York 10031
3 Kernforschungszentrum Karlsruhe, FRG, Inst. f. Angew. Kernphys. I
Abstract
We discuss the inhibition of anharmonic spontaneous multiphonon decay by energy-momentum conservation and the reduction of isotope scattering by the sharing of ionic motion to permit a frequency window for long-lived transverse acoustic phonons.