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First-Sound Attenuation and Viscosity of Superfluid 3He-B

Eska, G., Neumaier, K., Schoepe, Wilfried, Uhlig, K., Wiedemann, W. and Wölfle, P. (1980) First-Sound Attenuation and Viscosity of Superfluid 3He-B. Physical Review Letters: Phys. Rev. Lett. 44 (20), pp. 1337-1340.

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Abstract

The attenuation of first sound in normal and superfluid 3He in a cylindrical resonator has been measured from 40 kHz to 300 kHz at 8 and 28 bars. In the B phase a decreasing viscosity down to the lowest temperature (0.5Tc) is observed. In the normal phase the viscosity agrees with previously reported values. The data analysis is based on a recent theory of sound propagation in superfluid 3He in a resonator.


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Item type:Article
Date:1980
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Prof. Wilfried Schoepe
Identification Number:
ValueType
10.1103/PhysRevLett.44.1337DOI
Classification:
NotationType
67.50.FiPACS
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Item ID:18841
Owner only: item control page

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