DocumentCode
767656
Title
Equality of the energy and group velocities of bulk acoustic waves in piezoelectric media
Author
Laude, V. ; Reinhardt, Andreas ; Khelif, Abdelkrim
Author_Institution
Departement LPMO, CNRS UMR, Besancon, France
Volume
52
Issue
10
fYear
2005
Firstpage
1869
Lastpage
1871
Abstract
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.
Keywords
acoustic wave effects; piezoelectricity; bulk acoustic waves; energy velocity; generalized Poynting vector; generalized energy density; group velocity; piezoelectric media; Acoustic waves; Capacitive sensors; Dielectrics; Frequency; Genetic expression; Kinetic theory; Lithium niobate; Magnetic fields; Surface waves; Tensile stress;
fLanguage
English
Journal_Title
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
Publisher
ieee
ISSN
0885-3010
Type
jour
DOI
10.1109/TUFFC.2005.1561643
Filename
1561643
Link To Document