|
VOLUME 91 (2010) | ISSUE 8 |
PAGE 464
|
Spectrum of Kelvin-wave turbulence in superfluids
V. S. L'vov*, S. Nazarenko
Department of Chemical Physics, The Weizmann Institute of Science, 76100 Rehovot, Israel Mathematics Institute, Warwick University, CV4 7AL, Coventry, UK
Abstract
We derive a type of kinetic equation for Kelvin waves on quantized
vortex filaments with random large-scale curvature, that describes step-by-step
(local) energy cascade over scales caused by 4-wave interactions. Resulting new
energy spectrum must replace in future theory
(e.g. in finding the quantum turbulence decay rate) the previously used spectrum
, which was recently shown to be inconsistent
due to nonlocality of the 6-wave energy cascade.
|
|