Published April 18, 1977
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Journal Article
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Interfacial Surface Energy between the Superfluid Phases of He3
- Creators
- Osheroff, D. D.
- Cross, M. C.
Chicago
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Abstract
We report the first measurements of σAB, the surface energy associated with the interface between the A and B phases of superfluid 3He as they coexist at TAB. At melting pressure we find σAB=6×10^-6 erg cm^-2 in no magnetic field (TAB/TC=0.79) rising to σAB=1.6×10^-5 erg cm^-2 in a magnetic field of 4 kOe (TAB/TC=0.5). Theoretical calculations that we present give an estimate about 50% larger.
Additional Information
©1977 The American Physical Society Received 24 January 1977 We wish to acknowledge contributions to the theoretical work presented here by W. F. Brinkman and useful and stimulating conversations regarding the experiment with A. J. Leggett and N. D. Mermin. We also wish to thank W. O. Sprenger for his technical support.Files
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