Observation of New Short-Wavelength Collective Excitations in Heavy Water by Coherent Inelastic Neutron Scattering
Physical Review Letters1985Vol. 54(25), pp. 2681–2683
Citations Over TimeTop 19% of 1985 papers
Abstract
A coherent-inelastic-neutron-scattering experiment was performed on liquid ${\mathrm{D}}_{2}$O at room temperature. We observe for the first time the collective high-frequency sound mode as predicted by computer molecular-dynamics simulations. We interpret the excitation to be a mode propagating within the hydrogen-bonded patches existing in liquid water, and distinct from the ordinary sound wave.
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