SOUND PROPAGATION IN NORMAL AND SUPERFLUID 3He.

J. B. Ketterson; P. R. Roach

SOUND PROPAGATION IN NORMAL AND SUPERFLUID ³He.

J. B. Ketterson^*, P. R. Roach

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

Liquid **3He, despite the rather simple nature of its interatomic force, displays striking properties at ultralow temperatures. Below about 2 multiplied by 10** minus **3 K it behaves as a superfluid whose properties are related to, but are much more varied and complex than, those of superconducting electrons in metals. Ultrasonic waves prove to be a powerful probe of this system. Also presented is a brief review of the acoustic properties of both the normal and superfluid phases of this liquid.

Original language	English (US)
Pages (from-to)	359-365
Number of pages	7
Journal	Ultrason Symp Proc Phoenix Ariz
State	Published - Jan 1 1977

ASJC Scopus subject areas

Engineering(all)

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title = "SOUND PROPAGATION IN NORMAL AND SUPERFLUID 3He.",

abstract = "Liquid **3He, despite the rather simple nature of its interatomic force, displays striking properties at ultralow temperatures. Below about 2 multiplied by 10** minus **3 K it behaves as a superfluid whose properties are related to, but are much more varied and complex than, those of superconducting electrons in metals. Ultrasonic waves prove to be a powerful probe of this system. Also presented is a brief review of the acoustic properties of both the normal and superfluid phases of this liquid.",

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N2 - Liquid **3He, despite the rather simple nature of its interatomic force, displays striking properties at ultralow temperatures. Below about 2 multiplied by 10** minus **3 K it behaves as a superfluid whose properties are related to, but are much more varied and complex than, those of superconducting electrons in metals. Ultrasonic waves prove to be a powerful probe of this system. Also presented is a brief review of the acoustic properties of both the normal and superfluid phases of this liquid.

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