Published August 18, 1986
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Journal Article
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Observation of One-Dimensional Second Sound in Superfluid Helium
- Creators
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Eisenstein, J. P.
- Narayanamurti, V.
Chicago
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Abstract
A new collective mode of heat transport has been observed in superfluid helium at low temperatures and pressures. Unlike ordinary second sound, this new mode travels at essentially the acoustic-sound velocity and is characterized by the nearly collinear phonon relaxation arising from anomalous dispersion. The mode has been found to persist into the collisionless regime, ωτ>1.
Additional Information
©1986 The American Physical Society Received 16 May 1986 It is a pleasure to thank R. C. Dynes for several essential discussions of this work. We thank H. L. Stormer for helpful comments and we are indebted to J. C. M. Hwang for growing the GaAs heterostructure and to M. A. Chin and K. Baldwin for the fabrication of the heaters and bolometers.Files
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Additional details
- Eprint ID
- 4039
- Resolver ID
- CaltechAUTHORS:EISprl86
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2006-07-25Created from EPrint's datestamp field
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2021-11-08Created from EPrint's last_modified field