Acoustic phonon anisotropy: Phonon focus
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G.A. Northrop
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Article
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1984
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Elsevier Science
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English
โ 30 KB
## Nature of the physical problem Calculation of the phase velocity, polarization vector, group velocity, and phonon-focusing enhancement factor for non-dispersive acoustic plane-waves of any wave-vector. ## Method of solution The group velocity and the phonon-focusing enhancement are calculate