Capacitive Generation and Detection of Third Sound Resonances in Saturated Superfluid 4He Films
Journal of Low Temperature Physics Springer Nature 110:1-2 (1998) 603-608
Direct measurement of the current-phase relation of a superfluid 3He-B weak link
Science (New York, N.Y.) 278:5342 (1997) 1435-1438
Abstract:
Direct measurements of the current-phase relation, I versus Deltaphi, for a weak link coupling two reservoirs of B-phase superfluid helium-3 (3He-B) were made over a wide range of temperatures. The weak link consists of a square array of 100-nanometer-diameter apertures. For temperatures T such that T/Tc >/= 0.6 (where Tc is the superfluid transition temperature), I approximately sin(Deltaphi). At lower temperatures, I(Deltaphi) approaches a straight line. Several remarkable phenomena heretofore inaccessible to superconducting Josephson junctions, including direct observation of quantum oscillations and continuous knowledge of Deltaphi, were also observed.Thermoviscous Effects in Steady and Oscillating Flow of Superfluid 4He: Experiments
Journal of Low Temperature Physics Springer Nature 109:3-4 (1997) 527-546
Quantum oscillations between two weakly coupled reservoirs of superfluid 3He
Nature Springer Nature 388:6641 (1997) 449-451
A microfabricated superfluid4He “RF squid”
Czechoslovak Journal of Physics Springer Nature 46:Suppl 5 (1996) 2739-2740