Cavitation density of superfluid helium-4 around 1 K

An Qu; A. Trimeche; J. Dupont-Roc; J. Grucker; Ph Jacquier

doi:10.1103/PhysRevB.91.214115

Cavitation density of superfluid helium-4 around 1 K

An Qu
, A. Trimeche
, J. Dupont-Roc
, J. Grucker
, Ph Jacquier

CNRS-ENS-UPMC UMR 8640

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Using an optical interferometric method, the cavitation density of bulk superfluid helium at T=0.96K is measured and found to be ρcav=0.1338±0.0002gcm-3. A well-established equation of state for liquid helium at negative pressures converts this to the cavitation pressure Pcav=-5.1±0.1bars. This cavitation pressure is consistent with a model taking into account the presence of quantized vortices, but disagrees with previously published experimental values of Pcav.

Original language	English
Article number	214115
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	91
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.91.214115
State	Published - 25 Jun 2015
Externally published	Yes

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10.1103/PhysRevB.91.214115

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title = "Cavitation density of superfluid helium-4 around 1 K",

abstract = "Using an optical interferometric method, the cavitation density of bulk superfluid helium at T=0.96K is measured and found to be ρcav=0.1338±0.0002gcm-3. A well-established equation of state for liquid helium at negative pressures converts this to the cavitation pressure Pcav=-5.1±0.1bars. This cavitation pressure is consistent with a model taking into account the presence of quantized vortices, but disagrees with previously published experimental values of Pcav.",

author = "An Qu and A. Trimeche and J. Dupont-Roc and J. Grucker and Ph Jacquier",

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AU - Qu, An

AU - Trimeche, A.

AU - Dupont-Roc, J.

AU - Grucker, J.

AU - Jacquier, Ph

PY - 2015/6/25

Y1 - 2015/6/25

N2 - Using an optical interferometric method, the cavitation density of bulk superfluid helium at T=0.96K is measured and found to be ρcav=0.1338±0.0002gcm-3. A well-established equation of state for liquid helium at negative pressures converts this to the cavitation pressure Pcav=-5.1±0.1bars. This cavitation pressure is consistent with a model taking into account the presence of quantized vortices, but disagrees with previously published experimental values of Pcav.

AB - Using an optical interferometric method, the cavitation density of bulk superfluid helium at T=0.96K is measured and found to be ρcav=0.1338±0.0002gcm-3. A well-established equation of state for liquid helium at negative pressures converts this to the cavitation pressure Pcav=-5.1±0.1bars. This cavitation pressure is consistent with a model taking into account the presence of quantized vortices, but disagrees with previously published experimental values of Pcav.

UR - https://www.scopus.com/pages/publications/84934343723

U2 - 10.1103/PhysRevB.91.214115

DO - 10.1103/PhysRevB.91.214115

M3 - 文章

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SN - 1098-0121

VL - 91

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 21

M1 - 214115

ER -

Cavitation density of superfluid helium-4 around 1 K

Abstract

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