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Mobility of Negative Ions in Superfluid 3He

Ahonen, A. I., Kokko, J., Lounasmaa, O. V., Paalanen, M. A., Richardson, R. C., Schoepe, Wilfried and Takano, Y. (1976) Mobility of Negative Ions in Superfluid 3He. Physical Review Letters: Phys. Rev. Lett. 37 (9), pp. 511-515.

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We have found that the mobility of negative ions increases rapidly below Tc in both superfluid 3He phases. The ratio μ/μN of superfluid to normal mobility is larger in the B phase than in the A phase. A critical velocity consistent in magnitude with the Landau limit for pair breaking has also been observed. In the normal fluid we find a temperature-independent mobility between 30 mK and Tc for all pressures between 0 and 28 bars.

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Item type:Article
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Prof. Wilfried Schoepe
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Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:18842
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