Half-quantum vortices

Unlike to superfluid ⁴He the superfluid ³He-A support the existence of vortices with half-quantum of circulation as well as single quantum vortices. The singular single quanta vortices as well as nonsingular vortices with 2 quanta of circulation have been revealed in rotating ³He-A. However, the hal...

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Veröffentlicht in:Физика низких температур
Datum:2013
1. Verfasser: Mineev, V.P.
Format: Artikel
Sprache:English
Veröffentlicht: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2013
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Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/118816
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Zitieren:Half-quantum vortices / V.P. Mineev // Физика низких температур. — 2013. — Т. 39, № 10. — С. 1056–1061. — Бібліогр.: 25 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-118816
record_format dspace
spelling Mineev, V.P.
2017-05-31T10:06:52Z
2017-05-31T10:06:52Z
2013
Half-quantum vortices / V.P. Mineev // Физика низких температур. — 2013. — Т. 39, № 10. — С. 1056–1061. — Бібліогр.: 25 назв. — англ.
0132-6414
PACS: 67.25.D–, 67.30.H–
https://nasplib.isofts.kiev.ua/handle/123456789/118816
Unlike to superfluid ⁴He the superfluid ³He-A support the existence of vortices with half-quantum of circulation as well as single quantum vortices. The singular single quanta vortices as well as nonsingular vortices with 2 quanta of circulation have been revealed in rotating ³He-A. However, the half-quantum vortices in open geom-etry always possess an extra energy due to spin-orbit coupling leading to formation of domain wall at distances larger than dipole length ∼10⁻³ cm from the vortex axis. Fortunately the same magnetic dipole–dipole interaction does not prevent the existence of half-quantum vortices in the polar phase of superfluid ³He recently discovered in peculiar porous media “nematically ordered” aerogel. Here we discuss this exotic possibility. The discoveries of half-quantum vortices in triplet pairing superconductor Sr₂RuO₄ as well in the exciton–polariton condensates are the other parts of the story about half-quantum vortices also described in the paper.
en
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
Квантованные вихри и турбулентность
Half-quantum vortices
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title Half-quantum vortices
spellingShingle Half-quantum vortices
Mineev, V.P.
Квантованные вихри и турбулентность
title_short Half-quantum vortices
title_full Half-quantum vortices
title_fullStr Half-quantum vortices
title_full_unstemmed Half-quantum vortices
title_sort half-quantum vortices
author Mineev, V.P.
author_facet Mineev, V.P.
topic Квантованные вихри и турбулентность
topic_facet Квантованные вихри и турбулентность
publishDate 2013
language English
container_title Физика низких температур
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
format Article
description Unlike to superfluid ⁴He the superfluid ³He-A support the existence of vortices with half-quantum of circulation as well as single quantum vortices. The singular single quanta vortices as well as nonsingular vortices with 2 quanta of circulation have been revealed in rotating ³He-A. However, the half-quantum vortices in open geom-etry always possess an extra energy due to spin-orbit coupling leading to formation of domain wall at distances larger than dipole length ∼10⁻³ cm from the vortex axis. Fortunately the same magnetic dipole–dipole interaction does not prevent the existence of half-quantum vortices in the polar phase of superfluid ³He recently discovered in peculiar porous media “nematically ordered” aerogel. Here we discuss this exotic possibility. The discoveries of half-quantum vortices in triplet pairing superconductor Sr₂RuO₄ as well in the exciton–polariton condensates are the other parts of the story about half-quantum vortices also described in the paper.
issn 0132-6414
url https://nasplib.isofts.kiev.ua/handle/123456789/118816
citation_txt Half-quantum vortices / V.P. Mineev // Физика низких температур. — 2013. — Т. 39, № 10. — С. 1056–1061. — Бібліогр.: 25 назв. — англ.
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