Nucleation of negatively charged vortex rings in superfluid Helium-4 near its solidification pressure.

Physics

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Nucleation of negatively charged vortex rings in superfluid Helium-4 near its solidification pressure. / Allum, D. R.; McClintock, Peter V. E.
In: Journal of Low Temperature Physics, Vol. 31, No. 3-4, 05.1978, p. 321-338.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{73f055168ea54f4399d6dc1d0f5d6d0b,

title = "Nucleation of negatively charged vortex rings in superfluid Helium-4 near its solidification pressure.",

abstract = "The rate nu at which negative ions nucleate vortex rings in He II has been measured at 25 bar for electric fields E up to 12kV/cm and temperatures T down to 0.4 K. A strong temperature dependence of nu observed for T < 0.6 K and E < 5 kV/cm is attributed to the influence of isotopic impurities. Although the temperature-independent behavior found for T < 0.6 K and 5 < E < 12 kV/cm is consistent with a theoretical prediction by Bowley, the relatively very much larger values of nu measured near 1K indicate a serious deficiency in the model on which the theory is based.",

author = "Allum, {D. R.} and McClintock, {Peter V. E.}",

year = "1978",

month = may,

doi = "10.1007/BF00115087",

language = "English",

volume = "31",

pages = "321--338",

journal = "Journal of Low Temperature Physics",

issn = "0022-2291",

publisher = "SPRINGER/PLENUM PUBLISHERS",

number = "3-4",

}

RIS

TY - JOUR

T1 - Nucleation of negatively charged vortex rings in superfluid Helium-4 near its solidification pressure.

AU - Allum, D. R.

AU - McClintock, Peter V. E.

PY - 1978/5

Y1 - 1978/5

N2 - The rate nu at which negative ions nucleate vortex rings in He II has been measured at 25 bar for electric fields E up to 12kV/cm and temperatures T down to 0.4 K. A strong temperature dependence of nu observed for T < 0.6 K and E < 5 kV/cm is attributed to the influence of isotopic impurities. Although the temperature-independent behavior found for T < 0.6 K and 5 < E < 12 kV/cm is consistent with a theoretical prediction by Bowley, the relatively very much larger values of nu measured near 1K indicate a serious deficiency in the model on which the theory is based.

AB - The rate nu at which negative ions nucleate vortex rings in He II has been measured at 25 bar for electric fields E up to 12kV/cm and temperatures T down to 0.4 K. A strong temperature dependence of nu observed for T < 0.6 K and E < 5 kV/cm is attributed to the influence of isotopic impurities. Although the temperature-independent behavior found for T < 0.6 K and 5 < E < 12 kV/cm is consistent with a theoretical prediction by Bowley, the relatively very much larger values of nu measured near 1K indicate a serious deficiency in the model on which the theory is based.

U2 - 10.1007/BF00115087

DO - 10.1007/BF00115087

M3 - Journal article

VL - 31

SP - 321

EP - 338

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 3-4

ER -

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