Magnetic field dependence of ultrasound attenuation and sound velocity in superfluid3He-A
β Scribed by N. Schopohl; W. Marquardt; L. Tewordt
- Publisher
- Springer US
- Year
- 1985
- Tongue
- English
- Weight
- 595 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0022-2291
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π SIMILAR VOLUMES
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 present experimental results on the attenuation and velocity of first sound in a saturated (X = 0.064) JHe-4He mixture. The measurements were performed at very low temperature (3.5 < T< 20 mK) with relatively low frequencies (around 1 MHz) at saturated vapor pressure, using a CW technique. Though