- Abstract:
-
Inelastic neutron scattering data from liquid DF close to the melting point show, in addition to spectra comprising quasielastic and heavily damped acoustic motions, an intense, nondispersive band centered at about 27 meV along with a broader higher energy feature. Observation of the former band provides the first direct verification of the existence within the liquid state of collective opticlike excitations as predicted by molecular dynamics simulations. The latter corresponds to mainly reo...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/physrevlett.96.235501
-
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- Journal:
- Physical review letters
- Volume:
- 96
- Issue:
- 23
- Pages:
- 235501
- Publication date:
- 2006-06-05
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- URN:
-
uuid:99914bfd-7400-4c05-999e-b660321856a8
- Source identifiers:
-
196827
- Local pid:
- pubs:196827
- Language:
- English
- Copyright date:
- 2006
Journal article
Evidence of the presence of opticlike collective modes in a liquid from neutron scattering experiments.
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