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Turbulent and ballistic drag of superfluid helium at low temperatures on an oscillating microsphere

Jäger, J. and Schoepe, Wilfried (1996) Turbulent and ballistic drag of superfluid helium at low temperatures on an oscillating microsphere. Czechoslovak Journal of Physics 46 (1 Supp), p. 79.

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Abstract

Transverse oscillations of a microsphere in liquid helium below 0.3 K are investigated. For small amplitudes we observe ballistic drag by phonons and3He impurities. At a threshold velocity amplitude the drag force increases discontinuously to a value determined by turbulence in the superfluid and varies with the square of the velocity amplitude. The turbulent drag coefficient is determined by the ...

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Item type:Article
Date:1996
Additional Information (public):Supplement = Proceedings of the 21st International Conference on Low Temperature Physics
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Prof. Wilfried Schoepe
Identification Number:
ValueType
10.1007/BF02569455DOI
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Item ID:29995
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