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Spectral frequency distribution for liquid deuterium determined by neutron scattering

AutorMukherjee, M.; Bermejo, Francisco Javier ; Bennington, S. M.; Fåk, B.
Fecha de publicación1-may-1998
EditorAmerican Physical Society
CitaciónPhysical Review B 57: R11031- R11034 (1998)
ResumenThe generalized spectral distribution, which is the frequency-domain representation of the velocity autocorrelation function, is determined for liquid molecular deuterium for a broad range of frequencies from neutron-scattering experiments. Two well-defined features centered at frequencies of 3.8 and 7.6 meV are seen super-imposed on a broad, slowly decaying tail. The latter seems reminiscent of what has been observed for hydrogen in the dense-gas phase whereas the former is shown to arise from finite-frequency collective excitations and quantized molecular rotations. ©1998 American Physical Society
Descripción4 págs.; 2 figs. ; Rapid Communications
Versión del editorhttps://doi.org/10.1103/PhysRevB.57.R11031
URIhttp://hdl.handle.net/10261/140618
DOI10.1103/PhysRevB.57.R11031
Identificadoresdoi: 10.1103/PhysRevB.57.R11031
issn: 0163-1829
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