• 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