History-dependent nonlinear dissipation in superfluid3He-A
β Scribed by R. Gay; M. Bagley; J. R. Hook; D. J. Sandiford; H. E. Hall
- Publisher
- Springer US
- Year
- 1983
- Tongue
- English
- Weight
- 951 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0022-2291
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π SIMILAR VOLUMES
We have measured the resonant frequencies and bandwidths of two of the modes of transverse vibration of a kapton diaphragm separating two disk shaped regions of superfluid 3He-B of radius 2 cm and nominal height 100/zm The measurements agree well with theoretical calculations. In the temperature ran
We report on observations of the onset of dissipation in superfluid 3He flowing through a single cylindrical channel of diameter d = O. 71xm and length L = 6.0 #m. We propose a model in which thermally activated phase slips in the order parameter can account for the observed onset of dissipation.