Consistent low-field picture of bcc3He exchange
β Scribed by L. I. Zane; J. R. Sites
- Publisher
- Springer US
- Year
- 1974
- Tongue
- English
- Weight
- 415 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0022-2291
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π SIMILAR VOLUMES
Two independent low temperature scales, based on noise thermometry below 0.6 K and on extrapolation from 1.5 K using magnetic thermometry, have been realized and compared. Both scales coincide at the pressure minimum of the He-3 melting curve within +0.3 mK and determine its temperature as 315.1 mK.
The low-field NMR spectra of 8He boundary layers on graphite show collective modes for T < 1mK One of these modes has a nonzero frequency and amplitude at zero field. We show the frequency and amplitude of these modes as a function of the applied magnetic field and the total amplitude as a function