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Acoustics in superfluid helium:I. Introduction to the fourth-sound phenomenon

Authors
Journal
Physica B+C
0378-4363
Publisher
Elsevier
Publication Date
Volume
100
Issue
3
Identifiers
DOI: 10.1016/0378-4363(80)90017-0

Abstract

Abstract The particular sound mode, which can only occur in He II when it is contained in very narrow channels, is called fourth sound. In this paper the fourth-sound phenomenon is treated on the ideal level, both for the case of adiabatic and of isothermal conditions. A brief review of the present literature is given.

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