| Numéro |
J. Phys. Colloques
Volume 42, Numéro C6, Décembre 1981
International Conference on Phonon Physics
|
|
|---|---|---|
| Page(s) | C6-241 - C6-243 | |
| DOI | https://doi.org/10.1051/jphyscol:1981669 | |
International Conference on Phonon Physics
J. Phys. Colloques 42 (1981) C6-241-C6-243
DOI: 10.1051/jphyscol:1981669
Israel Atomic Energy Commission, Soreq Nuclear Research Center, Yavne, Israel
J. Phys. Colloques 42 (1981) C6-241-C6-243
DOI: 10.1051/jphyscol:1981669
PHONON PULSES FRQM A RELAXING SYSTEM
R. EnglmanIsrael Atomic Energy Commission, Soreq Nuclear Research Center, Yavne, Israel
Abstract
The spread of polychromatic phonon pulses, following optical absorption by a defect, is calculated up to ~102 lattice-spacings far. Phonon dispersion attenuates the pulse. The angular variation of the pulse peak position reflects the spectral anisotropy.