Measurements of the A ⇄ B transition in a magnetic field for superfluid3He near the polycritical point
✍ Scribed by D. N. Paulson; M. Krusius; J. C. Wheatley
- Publisher
- Springer US
- Year
- 1976
- Tongue
- English
- Weight
- 917 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-2291
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We are measuring the boundary between the superfluid A and B phases of 3He as a function of magnetic field and pressure. The results yield new information on Landau-Ginzburg parameters, microscopic quasiparticle scattering amplitudes, superfluid specific heats, and potentially other normal liquid pr
We report results from a new SQUID-based measurement of the total magnetization change of superfluid 3He at the A-B phase transition, AMAB t°tal. We used a simple first-principles calibration technique. At low fields -0.03 T, our data agree with past measurements, verifying the longstanding discrepa