Drag of superfluid current in bilayer Bose systems
An effect of nondissipative drag of a superfluid flow in a system of two Bose gases confined in
 two parallel quasi-two-dimensional traps is studied. Using an approach based on introduction of
 density and phase operators, we compute the drag current at zero and finite temperatures f...
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| Опубліковано в: : | Физика низких температур |
|---|---|
| Дата: | 2004 |
| Автори: | , |
| Формат: | Стаття |
| Мова: | Англійська |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2004
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| Теми: | |
| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/120050 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Drag of superfluid current in bilayer Bose systems / D.V. Fil, S.I. Shevchenko // Физика низких температур. — 2004. — Т. 30, № 10. — С. 1028–1037. — Бібліогр.: 29 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862614368193085440 |
|---|---|
| author | Fil, D.V. Shevchenko, S.I. |
| author_facet | Fil, D.V. Shevchenko, S.I. |
| citation_txt | Drag of superfluid current in bilayer Bose systems / D.V. Fil, S.I. Shevchenko // Физика низких температур. — 2004. — Т. 30, № 10. — С. 1028–1037. — Бібліогр.: 29 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | An effect of nondissipative drag of a superfluid flow in a system of two Bose gases confined in
two parallel quasi-two-dimensional traps is studied. Using an approach based on introduction of
density and phase operators, we compute the drag current at zero and finite temperatures for arbitrary
ratio of particle densities in the adjacent layers. We demonstrate that in a system of two
ring-shaped traps the «drag force» influences the drag trap in the same way as an external magnetic
flux influences a superconducting ring. This allows one to use the drag effect to control persistent
current states in superfluids and opens up the possibility of implementing a Bose analog of
the superconducting Josephson flux qubit.
|
| first_indexed | 2025-11-29T10:36:12Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-120050 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-11-29T10:36:12Z |
| publishDate | 2004 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Fil, D.V. Shevchenko, S.I. 2017-06-10T19:42:27Z 2017-06-10T19:42:27Z 2004 Drag of superfluid current in bilayer Bose systems / D.V. Fil, S.I. Shevchenko // Физика низких температур. — 2004. — Т. 30, № 10. — С. 1028–1037. — Бібліогр.: 29 назв. — англ. 0132-6414 PACS: 03.75.Kk, 03.75.Mn, 03.75.Gg https://nasplib.isofts.kiev.ua/handle/123456789/120050 An effect of nondissipative drag of a superfluid flow in a system of two Bose gases confined in
 two parallel quasi-two-dimensional traps is studied. Using an approach based on introduction of
 density and phase operators, we compute the drag current at zero and finite temperatures for arbitrary
 ratio of particle densities in the adjacent layers. We demonstrate that in a system of two
 ring-shaped traps the «drag force» influences the drag trap in the same way as an external magnetic
 flux influences a superconducting ring. This allows one to use the drag effect to control persistent
 current states in superfluids and opens up the possibility of implementing a Bose analog of
 the superconducting Josephson flux qubit. This work is supported by INTAS Grant No. 01-2344. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Квантовые жидкости и квантовые кpисталлы Drag of superfluid current in bilayer Bose systems Article published earlier |
| spellingShingle | Drag of superfluid current in bilayer Bose systems Fil, D.V. Shevchenko, S.I. Квантовые жидкости и квантовые кpисталлы |
| title | Drag of superfluid current in bilayer Bose systems |
| title_full | Drag of superfluid current in bilayer Bose systems |
| title_fullStr | Drag of superfluid current in bilayer Bose systems |
| title_full_unstemmed | Drag of superfluid current in bilayer Bose systems |
| title_short | Drag of superfluid current in bilayer Bose systems |
| title_sort | drag of superfluid current in bilayer bose systems |
| topic | Квантовые жидкости и квантовые кpисталлы |
| topic_facet | Квантовые жидкости и квантовые кpисталлы |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/120050 |
| work_keys_str_mv | AT fildv dragofsuperfluidcurrentinbilayerbosesystems AT shevchenkosi dragofsuperfluidcurrentinbilayerbosesystems |