Formation of a Direct Kolmogorov-Like Cascade of Second-Sound Waves in He II

G. V. Kolmakov, V. B. Efimov, A. N. Ganshin, P. V. E. McClintock, and L. P. Mezhov-Deglin
Phys. Rev. Lett. 97, 155301 – Published 13 October 2006

Abstract

Based on measurements of nonlinear second-sound resonances in a high-quality resonator, we have observed a steady-state wave energy cascade in He II involving a flux of energy through the spectral range towards high frequencies. We show that the energy balance in the wave system is nonlocal in K space and that the frequency scales of energy pumping and dissipation are widely separated. The wave amplitude distribution follows a power law over a wide range of frequencies. Numerical computations yield results in agreement with the experimental observations. We suggest that second-sound cascades of this kind may be useful for model studies of acoustic turbulence.

  • Figure
  • Figure
  • Figure
  • Received 17 July 2006

DOI:https://doi.org/10.1103/PhysRevLett.97.155301

©2006 American Physical Society

Authors & Affiliations

G. V. Kolmakov1,2, V. B. Efimov1,2, A. N. Ganshin1, P. V. E. McClintock1, and L. P. Mezhov-Deglin2

  • 1Department of Physics, Lancaster University, Lancaster LA1 4YB, United Kingdom
  • 2Institute of Solid State Physics RAS, Chernogolovka, Moscow Region 142432, Russia

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 97, Iss. 15 — 13 October 2006

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×