A new ripplon branch in He II
We analyse the dispersion relation of ripplons, on the surface of superfluid helium, using the dispersive hydrodynamics approach and find a new ripplon branch. We obtain analytical equation for the dispersion relation and analytic expressions for the limiting cases. The probabilities of decay of uns...
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| Published in: | Физика низких температур |
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| Date: | 2010 |
| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2010
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/117361 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | A new ripplon branch in He II / I.V. Tanatarov, I.N. Adamenko, K.E. Nemchenko, A.F.G. Wyatt // Физика низких температур. — 2010. — Т. 36, № 7. — С. 731–739. — Бібліогр.: 25 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862663364762664960 |
|---|---|
| author | Tanatarov, I.V. Adamenko, I.N. Nemchenko, K.E. Wyatt, A.F.G. |
| author_facet | Tanatarov, I.V. Adamenko, I.N. Nemchenko, K.E. Wyatt, A.F.G. |
| citation_txt | A new ripplon branch in He II / I.V. Tanatarov, I.N. Adamenko, K.E. Nemchenko, A.F.G. Wyatt // Физика низких температур. — 2010. — Т. 36, № 7. — С. 731–739. — Бібліогр.: 25 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | We analyse the dispersion relation of ripplons, on the surface of superfluid helium, using the dispersive hydrodynamics approach and find a new ripplon branch. We obtain analytical equation for the dispersion relation and analytic expressions for the limiting cases. The probabilities of decay of unstable ripplons above the roton gap into rotons are derived. A numerical solution for the ripplon dispersion curve is obtained. The new ripplon branch is found at energies just below the instability point of the bulk spectrum, and is investigated; its stability is discussed.
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| first_indexed | 2025-12-02T14:14:56Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-117361 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-12-02T14:14:56Z |
| publishDate | 2010 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Tanatarov, I.V. Adamenko, I.N. Nemchenko, K.E. Wyatt, A.F.G. 2017-05-22T15:39:52Z 2017-05-22T15:39:52Z 2010 A new ripplon branch in He II / I.V. Tanatarov, I.N. Adamenko, K.E. Nemchenko, A.F.G. Wyatt // Физика низких температур. — 2010. — Т. 36, № 7. — С. 731–739. — Бібліогр.: 25 назв. — англ. 0132-6414 PACS: 67.25.dg, 47.37.+q https://nasplib.isofts.kiev.ua/handle/123456789/117361 We analyse the dispersion relation of ripplons, on the surface of superfluid helium, using the dispersive hydrodynamics approach and find a new ripplon branch. We obtain analytical equation for the dispersion relation and analytic expressions for the limiting cases. The probabilities of decay of unstable ripplons above the roton gap into rotons are derived. A numerical solution for the ripplon dispersion curve is obtained. The new ripplon branch is found at energies just below the instability point of the bulk spectrum, and is investigated; its stability is discussed. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Квантовые жидкости и квантовые кpисталлы A new ripplon branch in He II Article published earlier |
| spellingShingle | A new ripplon branch in He II Tanatarov, I.V. Adamenko, I.N. Nemchenko, K.E. Wyatt, A.F.G. Квантовые жидкости и квантовые кpисталлы |
| title | A new ripplon branch in He II |
| title_full | A new ripplon branch in He II |
| title_fullStr | A new ripplon branch in He II |
| title_full_unstemmed | A new ripplon branch in He II |
| title_short | A new ripplon branch in He II |
| title_sort | new ripplon branch in he ii |
| topic | Квантовые жидкости и квантовые кpисталлы |
| topic_facet | Квантовые жидкости и квантовые кpисталлы |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/117361 |
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