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Phonon focusing catastrophes

Taborek, P. and Goodstein, D. (1980) Phonon focusing catastrophes. Solid State Communications, 33 (12). pp. 1191-1194. ISSN 0038-1098. doi:10.1016/0038-1098(80)90788-7.

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We present an elegant application of formal catastrophe theory to phonon focusing phenomena in crystals. The standard analysis of phonon focusing breaks down near singular directions known as caustics. The theory we present, in addition to being numerically accurate, provides a qualitative picture of caustic surfaces which yields important new insights into the results of phonon propagation experiments. Supporting experimental evidence is also presented.

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Additional Information:© 1980 Pergamon Press Ltd. Received 5 October 1979, by G. Burns. Supported by NSF grant DMR77-00036 and a grant from the JPL President's Fund.
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Issue or Number:12
Record Number:CaltechAUTHORS:20151214-141654379
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Official Citation:P Taborek, D Goodstein, Phonon focusing catastrophes, Solid State Communications, Volume 33, Issue 12, March 1980, Pages 1191-1194, ISSN 0038-1098, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62895
Deposited By: Ruth Sustaita
Deposited On:14 Dec 2015 22:45
Last Modified:10 Nov 2021 23:08

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