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Expansion of liquid He-4 through the lambda transition

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

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Expansion of liquid He-4 through the lambda transition. / Dodd, M. E.; Hendry, P. C.; Lawson, N. S. et al.
In: Journal of Low Temperature Physics, Vol. 115, No. 1/2, 04.1999, p. 89-105.

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

Harvard

Dodd, ME, Hendry, PC, Lawson, NS, McClintock, PVE & Williams, CDH 1999, 'Expansion of liquid He-4 through the lambda transition', Journal of Low Temperature Physics, vol. 115, no. 1/2, pp. 89-105. https://doi.org/10.1023/A:1021898914014

APA

Dodd, M. E., Hendry, P. C., Lawson, N. S., McClintock, P. V. E., & Williams, C. D. H. (1999). Expansion of liquid He-4 through the lambda transition. Journal of Low Temperature Physics, 115(1/2), 89-105. https://doi.org/10.1023/A:1021898914014

Vancouver

Dodd ME, Hendry PC, Lawson NS, McClintock PVE, Williams CDH. Expansion of liquid He-4 through the lambda transition. Journal of Low Temperature Physics. 1999 Apr;115(1/2):89-105. doi: 10.1023/A:1021898914014

Author

Dodd, M. E. ; Hendry, P. C. ; Lawson, N. S. et al. / Expansion of liquid He-4 through the lambda transition. In: Journal of Low Temperature Physics. 1999 ; Vol. 115, No. 1/2. pp. 89-105.

Bibtex

@article{33a5885fa30942aa8ce7379a9446ad2b,
title = "Expansion of liquid He-4 through the lambda transition",
abstract = "Zurek suggested (Nature 317, 505; 1985) that the Kibble mechanism, through which topological defects such as cosmic strings are believed to have been created in the early Universe, can also result in the formation of topological defects in liquid 4He, i.e. quantised vortices, during rapid quenches through the superfluid transition. Preliminary experiments (Hendry et al., Nature 368, 315; 1994) seemed to support this idea in that the quenches produced the predicted high vortex-densities. The present paper describes a new experiment incorporating a redesigned expansion cell that minimises vortex creation arising from conventional hydrodynamic flow. The post-quench line-densities of vorticity produced by the new cell are no more than 1010 m-2, a value that is at least two orders of magnitude less than the theoretical prediction. We conclude that most of the vortices detected in the original experiment must have been created through conventional flow processes.",
author = "Dodd, {M. E.} and Hendry, {P. C.} and Lawson, {N. S.} and McClintock, {Peter V. E.} and Williams, {Charles D. H.}",
note = "The final publication is available at Springer via http://dx.doi.org/10.1023/A:1021898914014 ",
year = "1999",
month = apr,
doi = "10.1023/A:1021898914014",
language = "English",
volume = "115",
pages = "89--105",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",
publisher = "SPRINGER/PLENUM PUBLISHERS",
number = "1/2",

}

RIS

TY - JOUR

T1 - Expansion of liquid He-4 through the lambda transition

AU - Dodd, M. E.

AU - Hendry, P. C.

AU - Lawson, N. S.

AU - McClintock, Peter V. E.

AU - Williams, Charles D. H.

N1 - The final publication is available at Springer via http://dx.doi.org/10.1023/A:1021898914014

PY - 1999/4

Y1 - 1999/4

N2 - Zurek suggested (Nature 317, 505; 1985) that the Kibble mechanism, through which topological defects such as cosmic strings are believed to have been created in the early Universe, can also result in the formation of topological defects in liquid 4He, i.e. quantised vortices, during rapid quenches through the superfluid transition. Preliminary experiments (Hendry et al., Nature 368, 315; 1994) seemed to support this idea in that the quenches produced the predicted high vortex-densities. The present paper describes a new experiment incorporating a redesigned expansion cell that minimises vortex creation arising from conventional hydrodynamic flow. The post-quench line-densities of vorticity produced by the new cell are no more than 1010 m-2, a value that is at least two orders of magnitude less than the theoretical prediction. We conclude that most of the vortices detected in the original experiment must have been created through conventional flow processes.

AB - Zurek suggested (Nature 317, 505; 1985) that the Kibble mechanism, through which topological defects such as cosmic strings are believed to have been created in the early Universe, can also result in the formation of topological defects in liquid 4He, i.e. quantised vortices, during rapid quenches through the superfluid transition. Preliminary experiments (Hendry et al., Nature 368, 315; 1994) seemed to support this idea in that the quenches produced the predicted high vortex-densities. The present paper describes a new experiment incorporating a redesigned expansion cell that minimises vortex creation arising from conventional hydrodynamic flow. The post-quench line-densities of vorticity produced by the new cell are no more than 1010 m-2, a value that is at least two orders of magnitude less than the theoretical prediction. We conclude that most of the vortices detected in the original experiment must have been created through conventional flow processes.

U2 - 10.1023/A:1021898914014

DO - 10.1023/A:1021898914014

M3 - Journal article

VL - 115

SP - 89

EP - 105

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 1/2

ER -