A damping mechanism and length scale for superfluid turbulence

Demosthenes Kivotides, David C. Samuels

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Recent experiments have claimed to measure a Kolmogorov energy spectrum in the turbulent flow of helium II. A Kolmogorov spectrum requires a damping mechanism which has strong effects at small length scales but negligible effects at large length scales. We describe such a damping mechanism for helium II based on the mutual friction interaction between the normal fluid component and the superfluid quantized vortex lines. From this mechanism we have derived a damping length scale for the superfluid motion, analogous to the Kolmogorov length scale in classical turbulence.

Original languageEnglish
Pages (from-to)71-72
Number of pages2
JournalPhysica B: Condensed Matter
Issue numberPART I
Publication statusPublished - 31 Jul 2000


  • mutual friction
  • quantized vortex
  • superfluid hydrodynamics
  • turbulence
  • vortex line

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