Interactions of collinear acoustic waves propagating along pure mode directions of crystals

Xiaozhou Liu, Wenhua Jiang, Wenwu Cao, Zheng Jiang

Research output: Contribution to journalArticle

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Abstract

Previous studies on the interaction of collinear acoustic waves have been devoted to waves propagating along pure modes directions of cubic crystals. In this paper, we show that the calculations can be readily extended to all crystal point groups. Nonlinearity parameters characterizing the nonlinear interactions are defined here. The effective third order elastic constants involved in the parameters can be calculated by using the method presented in this paper. Our results are very useful for the study of elastic nonlinearity of crystals with any given symmetry.

Original languageEnglish (US)
Article number064909
JournalJournal of Applied Physics
Volume115
Issue number6
DOIs
StatePublished - Jan 1 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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