| Issue |
J. Phys. Colloques
Volume 42, Number C6, Décembre 1981
International Conference on Phonon Physics
|
|
|---|---|---|
| Page(s) | C6-155 - C6-157 | |
| DOI | https://doi.org/10.1051/jphyscol:1981647 | |
International Conference on Phonon Physics
J. Phys. Colloques 42 (1981) C6-155-C6-157
DOI: 10.1051/jphyscol:1981647
Physics Department, Banaras Hindu University, Varanasi, 221005, India
J. Phys. Colloques 42 (1981) C6-155-C6-157
DOI: 10.1051/jphyscol:1981647
FOUR-PHONON PROCESSES IN SOLIDS
T.J. Singh et G.S. VermaPhysics Department, Banaras Hindu University, Varanasi, 221005, India
Abstract
The relaxation rate of four-Phonon Processes is derived using a diagrammatic field-theoretic approach. The results are in agreement with the earlier predictions of Pomeranchuk and recent perturbation results of Ecsedy and Klemens for a relatively simple model of a solid for which it is possible to obtain analytical expression.