Ultrasonic investigations of vortex textures in 3HeA

J. M. Kyynarainen; J. P. Pekola; K. Torizuka; A. J. Manninen

doi:10.1016/S0921-4526(90)81159-L

Ultrasonic investigations of vortex textures in ³HeA

J. M. Kyynarainen^*, J. P. Pekola, K. Torizuka, A. J. Manninen

^*Corresponding author for this work

Department of Applied Physics

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

1 Citation (Scopus)

Abstract

Zero sound attenuation has been used to probe vortex textures in rotating ³HeA. The highly nonlinear rotation speed dependencies of the measured sound amplitudes can be explained partly as being due to sonic velocity gradients in the vortex cores. Calculations of sound propagation in the geometrical limit have been made to extract information on the types of vortex cores and their sizes using our experimental data.

Original language	English
Pages (from-to)	619-620
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	165-166
Issue number	Part 1
DOIs	https://doi.org/10.1016/S0921-4526(90)81159-L
Publication status	Published - Aug 1990
MoE publication type	A1 Journal article-refereed

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Cite this

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title = "Ultrasonic investigations of vortex textures in 3HeA",

abstract = "Zero sound attenuation has been used to probe vortex textures in rotating 3HeA. The highly nonlinear rotation speed dependencies of the measured sound amplitudes can be explained partly as being due to sonic velocity gradients in the vortex cores. Calculations of sound propagation in the geometrical limit have been made to extract information on the types of vortex cores and their sizes using our experimental data.",

author = "Kyynarainen, {J. M.} and Pekola, {J. P.} and K. Torizuka and Manninen, {A. J.}",

year = "1990",

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AU - Kyynarainen, J. M.

AU - Pekola, J. P.

AU - Torizuka, K.

AU - Manninen, A. J.

PY - 1990/8

Y1 - 1990/8

N2 - Zero sound attenuation has been used to probe vortex textures in rotating 3HeA. The highly nonlinear rotation speed dependencies of the measured sound amplitudes can be explained partly as being due to sonic velocity gradients in the vortex cores. Calculations of sound propagation in the geometrical limit have been made to extract information on the types of vortex cores and their sizes using our experimental data.

AB - Zero sound attenuation has been used to probe vortex textures in rotating 3HeA. The highly nonlinear rotation speed dependencies of the measured sound amplitudes can be explained partly as being due to sonic velocity gradients in the vortex cores. Calculations of sound propagation in the geometrical limit have been made to extract information on the types of vortex cores and their sizes using our experimental data.

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U2 - 10.1016/S0921-4526(90)81159-L

DO - 10.1016/S0921-4526(90)81159-L

M3 - Article

AN - SCOPUS:0025465660

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VL - 165-166

SP - 619

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JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - Part 1

ER -

Ultrasonic investigations of vortex textures in ³HeA

Abstract

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