Abstract
The constant-volume specific heat and adiabatic sound velocity in liquid sulphur dioxide are studied by means of high resolution inelastic neutron and light scattering experiments. The generalized densities of states Z(E) are obtained from the inelastic neutron scattering spectra and show a marked temperature dependence, evidenced as quasicrystalline behaviour at temperatures just above melting, which develops a substantial intensity at zero and low frequencies as the temperature is raised. The hypersonic velocity derived from the light scattering study is shown to be consistent with previous ultrasound and thermal neutron data.
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