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Acoustic turbulence of second sound waves in superfluid helium


Institute of Solid-State Physics, Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation

The anomalously strong amplitude dependence of the second sound wave velocity allows an experimental framework to study the behavior of nonlinear waves in a linearly dispersive medium; to investigate the processes of energy transformation from single frequency harmonic pumping into high frequency dissipation edge of spectrum; and to get insight into the formation and decay dynamics of direct and inverse energy cascades.

Text can be downloaded in Russian. English translation is available here.
Keywords: superfluid helium, acoustic turbulence, turbulence, second sound, nonlinear waves
PACS: 47.27.Cn, 47.37.+q, 67.25.dg, 67.25.dt (all)
DOI: 10.3367/UFNe.2018.03.038317
URL: https://ufn.ru/en/articles/2018/10/a/
Citation: Efimov V B "Acoustic turbulence of second sound waves in superfluid helium" Phys. Usp. 61 929–951 (2018)
BibTexBibNote ® (generic)BibNote ® (RIS) MedlineRefWorks
PT Journal Article
TI Acoustic turbulence of second sound waves in superfluid helium
AU Efimov V B
FAU Efimov VB
DP 10 Oct, 2018
TA Phys. Usp.
VI 61
IP 10
PG 929-951
RX 10.3367/UFNe.2018.03.038317
URL https://ufn.ru/en/articles/2018/10/a/
SO Phys. Usp. 2018 Oct 10;61(10):929-951

Received: 18th, July 2017, revised: 20th, March 2018, 28th, March 2018

Оригинал: Ефимов В Б «Акустическая турбулентность волн второго звука в сверхтекучем гелии» УФН 188 1025–1048 (2018); DOI: 10.3367/UFNr.2018.03.038317

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