Eisenstein, J. P. ; Narayanamurti, V. (1986) Observation of one-dimensional second sound in superfluid helium Physical Review Letters, 57 (7). pp. 839-842. ISSN 0031-9007
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Official URL: http://link.aps.org/doi/10.1103/PhysRevLett.57.839
Related URL: http://dx.doi.org/10.1103/PhysRevLett.57.839
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 30647 |
| Deposited On: | 23 Dec 2010 12:58 |
| Last Modified: | 11 Jun 2011 07:02 |
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