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APS » Journals » Phys. Rev. Lett. » Volume 53 » Issue 12
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Phys. Rev. Lett. 53, 1176–1178 (1984)

Effect of Interface Mobility on Heat Transfer from Solid 4He to 3He Quasiparticles in 3He-4He Mixtures

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M. J. Graf, R. M. Bowley*, and H. J. Maris
Department of Physics, Brown University, Providence, Rhode Island 02912

Received 11 July 1984; published in the issue dated 17 September 1984

We propose a novel mechanism for Kapitza conductance between phonons in solid 4He and 3He quasiparticles in dilute 3He-4He liquid mixtures. This conductance is large only when the interface between the liquid and solid is rough. We have measured this conductance using a dynamical method, and have obtained results in agreement with the theory.

© 1984 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.53.1176
DOI:
10.1103/PhysRevLett.53.1176
PACS:
67.80.-s, 66.70.+f, 68.45.-v

*Permanent address: Department of Physics, University of Nottingham, Nottingham NG7 2RD, United Kingdom.

 
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