Additional calculations of the one-phonon spectral function in aluminum are presented. Results are given in the temperature range 300T900 K for phonons propagating along the symmetry directions [100], [110], [111], and [310]. The frequency shifts and linewidths of the [310] phonons are compared with the high-temperature neutron scattering data of Larsson et al. In addition, for those phonons whose resonance shapes develop prominent structure, the spectral functions are explicitly displayed and discussed.
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Gillis et al. (1971) studied this question.
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