Theory of thermal conductivity of anharmonic crystals: Nondiagonal Peierls contribution
- 15 November 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 10 (10) , 4383-4387
- https://doi.org/10.1103/physrevb.10.4383
Abstract
The recent theory of Wilson and Kim for the diagonal Peierls contribution to the thermal conductivity of anharmonic crystals is extended to the nondiagonal contribution. The new relaxation times in this case are identified by comparison with the results for the diagonal case and shown to be an average of single-phonon relaxation times.Keywords
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