Kelvin-Helmholtz instability of AB interface in superfluid He 3

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Kelvin-Helmholtz instability of AB interface in superfluid He 3. / Eltsov, V. B.; Gordeev, A.; Krusius, M.

In: Physical Review B, Vol. 99, No. 5, 054104, 11.02.2019, p. 1-14.

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@article{4b7a8f0df3ba4f258747aaf52d62e36c,
title = "Kelvin-Helmholtz instability of AB interface in superfluid He 3",
abstract = "The Kelvin-Helmholtz instability is well known in classical hydrodynamics where it explains the sudden emergence of interfacial surface waves as a function of the flow velocity parallel to the interface. It can be carried over to the inviscid two-fluid dynamics of superfluids, to describe the stability of the phase boundary separating two bulk phases of superfluid He3 in rotating flow when the boundary is localized with a magnetic-field gradient. The results from extensive measurements as a function of temperature and pressure confirm that in the superfluid the classic condition for stability is changed and that the magnetic polarization of the B phase at the phase boundary has to be taken into account, which yields the magnetic-field-dependent interfacial surface tension.",
author = "Eltsov, {V. B.} and A. Gordeev and M. Krusius",
year = "2019",
month = "2",
day = "11",
doi = "10.1103/PhysRevB.99.054104",
language = "English",
volume = "99",
pages = "1--14",
journal = "Physical Review B (Condensed Matter and Materials Physics)",
issn = "2469-9950",
publisher = "American Physical Society",
number = "5",

}

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TY - JOUR

T1 - Kelvin-Helmholtz instability of AB interface in superfluid He 3

AU - Eltsov, V. B.

AU - Gordeev, A.

AU - Krusius, M.

PY - 2019/2/11

Y1 - 2019/2/11

N2 - The Kelvin-Helmholtz instability is well known in classical hydrodynamics where it explains the sudden emergence of interfacial surface waves as a function of the flow velocity parallel to the interface. It can be carried over to the inviscid two-fluid dynamics of superfluids, to describe the stability of the phase boundary separating two bulk phases of superfluid He3 in rotating flow when the boundary is localized with a magnetic-field gradient. The results from extensive measurements as a function of temperature and pressure confirm that in the superfluid the classic condition for stability is changed and that the magnetic polarization of the B phase at the phase boundary has to be taken into account, which yields the magnetic-field-dependent interfacial surface tension.

AB - The Kelvin-Helmholtz instability is well known in classical hydrodynamics where it explains the sudden emergence of interfacial surface waves as a function of the flow velocity parallel to the interface. It can be carried over to the inviscid two-fluid dynamics of superfluids, to describe the stability of the phase boundary separating two bulk phases of superfluid He3 in rotating flow when the boundary is localized with a magnetic-field gradient. The results from extensive measurements as a function of temperature and pressure confirm that in the superfluid the classic condition for stability is changed and that the magnetic polarization of the B phase at the phase boundary has to be taken into account, which yields the magnetic-field-dependent interfacial surface tension.

UR - http://www.scopus.com/inward/record.url?scp=85061922212&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.99.054104

DO - 10.1103/PhysRevB.99.054104

M3 - Article

VL - 99

SP - 1

EP - 14

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

SN - 2469-9950

IS - 5

M1 - 054104

ER -

ID: 32386565