Abstract
In this paper we study geometric properties of the slowness surface of the system of crystal acoustics for cubic crystals in the special case when the stiffness constants satisfy the condition $a = -2b$. The paper is a natural continuation of the paper [9] in which related properties were studied for general constants $a$ and $b$, but assuming that we were in the nearly isotropic case, in which case $a - b$ has to be small. We also take this opportunity to correct a statement made in [9]: see Remark 1.3.
Citation
Otto Liess. Tetsuya Sonobe. "Curvature properties of the slowness surface of the system of crystal acoustics for cubic crystals II." Osaka J. Math. 49 (2) 357 - 391, June 2012.
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