Half-quantum vortices
Vernadsky National Library of Ukraine
Переглянути архів Інформація| Поле | Співвідношення | |
| Title |
Half-quantum vortices
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| Creator |
Mineev, V.P.
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| Subject |
Квантованные вихри и турбулентность
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| 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.
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| Date |
2017-05-31T10:06:52Z
2017-05-31T10:06:52Z 2013 |
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| Type |
Article
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| Identifier |
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– http://dspace.nbuv.gov.ua/handle/123456789/118816 |
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| Language |
en
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| Relation |
Физика низких температур
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| Publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
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