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- Publisher
- Springer Journals
- Copyright
- Copyright
- Subject
- Physics; Condensed Matter Physics; Characterization and Evaluation of Materials; Magnetism, Magnetic Materials
- ISSN
- 0022-2291
- eISSN
- 1573-7357
- DOI
- 10.1007/BF00118578
- Publisher site
- See Article on Publisher Site
Abstract
The influence of a magnetic field on the propagation of fourth sound in superfluid 3He is studied. The field and temperature dependences of the average superfluid density \-ϱ s /ϱ and fourth sound Q are measured. The field dependence of \-ϱ s / ϱ is very different in a porous medium than predicted by Ginzburg-Landau theory applied to bulk liquid. In particular, a magnetic suppression of \-ϱ s /ϱ is observed in the temperature and pressure ranges corresponding to the A phase in bulk liquid. There is strong evidence of a magnetic suppression of T c itself. The measured \-ϱ s /ϱ has a slight history dependence in a magnetic field, but none in zero field. The fourth-sound Q values are compared to the theoretical work of Smith, Jensen, and Wolfle. Quantitative confirmation of their work is problematic.
Journal
Journal of Low Temperature Physics – Springer Journals
Published: May 17, 2004