Structure of the excitation spectrum of liquid [sup 4]He

Results of high-resolution measurements of the inelastic scattering of neutrons from normal and superfluid [sup 4]He are presented. A complicated structure of peaks corresponding to phonon-maxon-roton excitations is observed. At [ital T][lt][ital T][sub [lambda]], the scattering can be described by...

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Veröffentlicht in:	Physical review. B, Condensed matter Condensed matter, 1994-12, Vol.50:22
Hauptverfasser:	Blagoveshchenskii, N.M., Bogoyavlenskii, I.V., Karnatsevich, L.V., Kozlov, Z.A., Kolobrodov, V.G., Priezzhev, V.B., Puchkov, A.V., Skomorokhov, A.N., Yarunin, V.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	665420 - Superfluidity- (1992-) BOSE-EINSTEIN CONDENSATION COHERENT SCATTERING CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY DIFFRACTION ENERGY-LEVEL TRANSITIONS EVEN-EVEN NUCLEI EXCITATION FLUIDS HELIUM 4 HELIUM II HELIUM ISOTOPES ISOTOPES LANDAU LIQUID HELIUM THEORY LIGHT NUCLEI NEUTRON DIFFRACTION NUCLEI QUANTUM FLUIDS QUASI PARTICLES SCATTERING STABLE ISOTOPES
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