Abstract
A detailed analysis of phase-slip observations in superfluid4He in a double-hole hydromechanical resonator fitted with a micro-aperture yields the remanent current trapped in the superfluid loop threading the two holes. The value of this bias current remains constant in each given cool-down below the λ point. Its value at each cool-down appears to be fixed at random. It can be determined to about a hundredth of the circulation quantum. This is the present practical resolution of the double-hole resonator used as an absolute gyrometer.
| Original language | English |
|---|---|
| Pages (from-to) | 493-494 |
| Journal | Physica B: Physics of Condensed Matter |
| Volume | 194-196 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2 Feb 1994 |
| Externally published | Yes |
| Event | 20th International Conference on Low Temperature Physics, LT-20 1993 - Eugene, United States Duration: 4 Aug 1993 → 11 Aug 1993 Conference number: 20 |
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Aarts, R., Ihas, G. G., Avenel, O., & Varoquaux, E. (1994). A superfluid gyrometer: quantized currents and fractional trapped circulation. Physica B: Physics of Condensed Matter, 194-196(1), 493-494. https://doi.org/10.1016/0921-4526(94)90576-2