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Article Dans Une Revue IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control Année : 2005

Equality of the energy and group velocities of bulk acoustic waves in piezoelectric media

Résumé

The equality of the energy and group velocities of bulk acoustic waves in a lossless piezoelectric medium is demonstrated, with the energy velocity defined from the generalized energy density and the generalized Poynting vector.
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Dates et versions

hal-00074907 , version 1 (24-05-2006)

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  • HAL Id : hal-00074907 , version 1

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Vincent Laude, Alexandre Reinhardt, Abdelkrim Khelif. Equality of the energy and group velocities of bulk acoustic waves in piezoelectric media. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2005, 52, pp.1869. ⟨hal-00074907⟩
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