Acoustic turbulence of second sound waves in superfluid helium

被引：3
|
作者：
Efimov, V. B. [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Ul Akad Osipyana 2, Chernogolovka 142432, Moscow Region, Russia
来源：
PHYSICS-USPEKHI | 2018年 / 61卷 / 10期
基金：
俄罗斯科学基金会; 英国工程与自然科学研究理事会;
关键词：
superfluid helium; acoustic turbulence; turbulence; second sound; nonlinear waves; NONLINEAR 2ND-SOUND WAVES; FINITE-AMPLITUDE; ULTRASONIC WAVES; SHOCK-WAVES; HE-II; OSCILLATIONS; PROPAGATION; ABSORPTION; GENERATION; VELOCITY;
D O I：
10.3367/UFNe.2018.03.038317
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The anomalously strong amplitude dependence of the second sound wave velocity allows experimentally studying the behavior of nonlinear waves in a linearly dispersive medium, the processes of energy transformation from single-frequency harmonic pumping into the high-frequency dissipation edge of the spectrum, and the formation and decay dynamics of direct and inverse energy cascades.
引用
收藏
页码：929 / 951
页数：23
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