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Interfacial Surface Energy between the Superfluid Phases of He3

Osheroff, D. D. and Cross, M. C. (1977) Interfacial Surface Energy between the Superfluid Phases of He3. Physical Review Letters, 38 (16). pp. 905-909. ISSN 0031-9007. doi:10.1103/PhysRevLett.38.905.

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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.

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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.
Issue or Number:16
Record Number:CaltechAUTHORS:OSHprl77
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5296
Deposited By: Archive Administrator
Deposited On:09 Oct 2006
Last Modified:08 Nov 2021 20:24

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