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DOI 10.1103/PhysRevB.72.172505
Title Vortex-phonon interaction
Creator/Author Kozik, Evgeny [Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003 (United States)] ; Svistunov, Boris [Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003 (United States) ; Russian Research Center 'Kurchatov Institute', 123182 Moscow, (Russian Federation)]
Publication Date2005 Nov 01
OSTI IdentifierOSTI ID: 20719773
Other Number(s)Journal ID: ISSN 1098-0121; TRN: US06A8841032036
Resource TypeJournal Article
Resource RelationJournal: Physical Review. B, Condensed Matter and Materials Physics; Journal Volume: 72; Journal Issue: 17; Other Information: DOI: 10.1103/PhysRevB.72.172505; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Subject75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; EMISSION; EXCITATION; HAMILTONIANS; HYDRODYNAMICS; LIQUIDS; PHONONS; SCATTERING; SOUND WAVES; SUPERFLUIDITY; TURBULENCE; VORTICES; WAVELENGTHS
Description/Abstract Kelvin waves--helical waves on quantized vortex lines--are the normal modes of vortices in a superfluid. At zero temperature, the only dissipative channel of vortex dynamics is phonon emission. Starting with the hydrodynamic action, we derive the Hamiltonian of vortex-phonon interaction, thereby reducing the problem of the interaction of Kelvin waves with sound to inelastic elementary excitation scattering. On the basis of this formalism, we calculate the rate of sound radiation by superfluid turbulence at zero temperature and estimate the value of short-wavelength cutoff of the turbulence spectrum.
Country of PublicationUnited States
LanguageEnglish
FormatSize: page(s) 172505-172505.4
System Entry Date2006 May 15

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