Archives of Acoustics, 16, 3-4, pp. 559-569, 1991

A relaxation model of phonon gas interaction with an external field

S. Piekarski
Institute of Fundamental Technological Research, Polish Academy of Sciences, 00-049 Warszawa, ul. Świętokrzyska 21

In the paper, a kinetic model of interactions of optical and acoustical phonons is discussed, basing on four life-times. Equations of non-diffusive transfer of heat perturbations, induced by an external field acting upon an assembly of optical phonons, are derived form the proposed model.
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