The melting curve of helium-3
β Scribed by James R. Thompson; Horst Meyer
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- English
- Weight
- 101 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0011-2275
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β¦ Synopsis
W E present a.calculation of the melting curve of helium-3 at temperatures below 0.04 Β° K. This calculation extends a previous one by Anderson et al. 1 who compared the results with their observed data down to 0.03 Β° K. The present calculation uses new specific heat data of Abel et al.2 and takes into account the spin exchange interaction in the solid as determined from nuclear magnetic resonance (n.m.r.) relaxation data. s
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New data for the melting curve of He 4 for temperatures between 4 and 25 K agree with earlier results by Mills and Grilly and by Crawford and Daniels, but disagree with the relationship given by Glassford and Smith [CRYOGENICS 6 (1966) 193] who carried out equation of state studies on fluid and soli
After the temperature value of the 3He melting pressure minimum of 315.1 mK has been confirmed by other authors, now the pressure values of the other fixed points of the melting curve are determined. To avoid the limitations due to the uncertainty of the absolut pressure scale it is more precise to