Ripplons in 4He films observed by neutron scattering

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LAUTER, Hans J., Henri GODFRIN, V. L. P. FRANK, Paul LEIDERER, 1992. Ripplons in 4He films observed by neutron scattering. In: Physical Review Letters. 68(16), pp. 2484-2488. Available under: doi: 10.1103/PhysRevLett.68.2484

@article{Lauter1992Rippl-9430, title={Ripplons in 4He films observed by neutron scattering}, year={1992}, doi={10.1103/PhysRevLett.68.2484}, number={16}, volume={68}, journal={Physical Review Letters}, pages={2484--2488}, author={Lauter, Hans J. and Godfrin, Henri and Frank, V. L. P. and Leiderer, Paul} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:creator>Frank, V. L. P.</dc:creator> <dc:date rdf:datatype="">2011-03-24T17:56:27Z</dc:date> <dspace:isPartOfCollection rdf:resource=""/> <dcterms:available rdf:datatype="">2011-03-24T17:56:27Z</dcterms:available> <dspace:hasBitstream rdf:resource=""/> <dc:language>eng</dc:language> <dcterms:issued>1992</dcterms:issued> <dc:contributor>Frank, V. L. P.</dc:contributor> <dcterms:title>Ripplons in 4He films observed by neutron scattering</dcterms:title> <dc:contributor>Godfrin, Henri</dc:contributor> <dcterms:isPartOf rdf:resource=""/> <dc:contributor>Leiderer, Paul</dc:contributor> <dc:creator>Godfrin, Henri</dc:creator> <dc:format>application/pdf</dc:format> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:creator>Leiderer, Paul</dc:creator> <bibo:uri rdf:resource=""/> <dcterms:rights rdf:resource=""/> <dcterms:abstract xml:lang="eng">We report the first observation of ripplon excitations at large wave vectors. The experiments were performed on liquid-4He films of atomic thickness adsorbed on a graphite substrate. Neutron-scattering techniques were used to determine the inelastic structure factor of surface (ripplon) and bulklike (phonon-roton) elementary excitations. The lowest lying mode at low wave vectors is experimentally shown to be a surface mode; its dispersion relation agrees well with the quantum-hydrodynamic theory of Edwards and Saam. The predictions of recent microscopic models are compared to the data at high energies and momenta.</dcterms:abstract> <dcterms:hasPart rdf:resource=""/> <dc:creator>Lauter, Hans J.</dc:creator> <dcterms:bibliographicCitation>First publ. in: Physical Review Letters 68 (1992), 16, pp. 2484-2488</dcterms:bibliographicCitation> <dc:contributor>Lauter, Hans J.</dc:contributor> <dc:rights>Attribution-NonCommercial-NoDerivs 2.0 Generic</dc:rights> </rdf:Description> </rdf:RDF>

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