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Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Vortex nucleation in ultradilute superfluid 3He/4He solutions.
AU - Bowley, R. M.
AU - Nancolas, G. G.
AU - McClintock, Peter V. E.
PY - 1984/2/20
Y1 - 1984/2/20
N2 - A detailed investigation of vortex nucleation in He II containing traces of 3He isotopic impurity is reported. Systematic measurements of the nucleation rate due to negative ions were made at 23 bars. A model is proposed which, when fitted to the data, implies that a single 3He atom trapped on the surface of the ion has the dual effect of reducing the critical velocity for vortex nucleation by circa 4 m/s, while simultaneously increasing the corresponding rate constant by a factor of circa 10^3.
AB - A detailed investigation of vortex nucleation in He II containing traces of 3He isotopic impurity is reported. Systematic measurements of the nucleation rate due to negative ions were made at 23 bars. A model is proposed which, when fitted to the data, implies that a single 3He atom trapped on the surface of the ion has the dual effect of reducing the critical velocity for vortex nucleation by circa 4 m/s, while simultaneously increasing the corresponding rate constant by a factor of circa 10^3.
U2 - 10.1103/PhysRevLett.52.659
DO - 10.1103/PhysRevLett.52.659
M3 - Journal article
VL - 52
SP - 659
EP - 662
JO - Physical review letters
JF - Physical review letters
SN - 1079-7114
IS - 8
ER -