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1976
We have computed three phonon relaxation times for acoustic phonons assuming a dispersion law of the form $$[{w_s}(q) = \frac{{2{c_s}{q_D}}}{\pi } \sin (\frac{{\pi q}}{{2{q_D}}})]$$ (1) where q is the wavenumber, qD the Debye radius and Cs the sound velocity for the mode s.
R. A. H. Hamilton, G. P. Srivastava
openaire +1 more source
We have computed three phonon relaxation times for acoustic phonons assuming a dispersion law of the form $$[{w_s}(q) = \frac{{2{c_s}{q_D}}}{\pi } \sin (\frac{{\pi q}}{{2{q_D}}})]$$ (1) where q is the wavenumber, qD the Debye radius and Cs the sound velocity for the mode s.
R. A. H. Hamilton, G. P. Srivastava
openaire +1 more source