Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article)
This review is written at the time of the twentieth anniversary of the discovery of high-temperature superconductors, which, nearly coincides with the important discovery of the superfluid phases of ultracold trapped fermionic atoms. We show how these two subjects have much in common. Both have b...
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| Дата: | 2006 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2006
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| Назва видання: | Физика низких температур |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/120188 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) / Qijin Chen, J. Stajic, K. Levin // Физика низких температур. — 2006. — Т. 32, № 4-5. — С. 538–560. — Бібліогр.: 121 назв. — англ. |
Репозитарії
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irk-123456789-1201882017-06-12T03:04:27Z Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) Qijin Chen Stajic, J. Levin, K. Pseudogap This review is written at the time of the twentieth anniversary of the discovery of high-temperature superconductors, which, nearly coincides with the important discovery of the superfluid phases of ultracold trapped fermionic atoms. We show how these two subjects have much in common. Both have been addressed from the perspective of the BCS–Bose–Einstein condensation (BEC) crossover scenario, which is designed to treat short coherence length superfluids with transition temperatures which are «high», with respect to the Fermi energy. A generalized mean field treatment of BCS–BEC crossover at general temperatures T, based on the BCS–Leggett ground state, has met with remarkable success in the fermionic atomic systems. Here we summarize this success in the context of four different cold atom experiments, all of which provide indications, direct or indirect, for the existence of a pseudogap. This scenario also provides a physical picture of the pseudogap phase in the underdoped cuprates which is a central focus of high Tc research. We summarize successful applications of BCS–BEC crossover to key experiments in high Tc systems including the phase diagram, specific heat, and vortex core STM data, along with the Nernst effect, and exciting recent data on the superfluid density in very underdoped samples. 2006 Article Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) / Qijin Chen, J. Stajic, K. Levin // Физика низких температур. — 2006. — Т. 32, № 4-5. — С. 538–560. — Бібліогр.: 121 назв. — англ. 0132-6414 PACS: 74.20.Fg, 71.10.Ca http://dspace.nbuv.gov.ua/handle/123456789/120188 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
Pseudogap Pseudogap |
| spellingShingle |
Pseudogap Pseudogap Qijin Chen Stajic, J. Levin, K. Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) Физика низких температур |
| description |
This review is written at the time of the twentieth anniversary of the discovery of high-temperature
superconductors, which, nearly coincides with the important discovery of the superfluid
phases of ultracold trapped fermionic atoms. We show how these two subjects have much in common.
Both have been addressed from the perspective of the BCS–Bose–Einstein condensation
(BEC) crossover scenario, which is designed to treat short coherence length superfluids with transition
temperatures which are «high», with respect to the Fermi energy. A generalized mean field
treatment of BCS–BEC crossover at general temperatures T, based on the BCS–Leggett ground
state, has met with remarkable success in the fermionic atomic systems. Here we summarize this
success in the context of four different cold atom experiments, all of which provide indications, direct
or indirect, for the existence of a pseudogap. This scenario also provides a physical picture of
the pseudogap phase in the underdoped cuprates which is a central focus of high Tc research. We
summarize successful applications of BCS–BEC crossover to key experiments in high Tc systems including
the phase diagram, specific heat, and vortex core STM data, along with the Nernst effect,
and exciting recent data on the superfluid density in very underdoped samples. |
| format |
Article |
| author |
Qijin Chen Stajic, J. Levin, K. |
| author_facet |
Qijin Chen Stajic, J. Levin, K. |
| author_sort |
Qijin Chen |
| title |
Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) |
| title_short |
Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) |
| title_full |
Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) |
| title_fullStr |
Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) |
| title_full_unstemmed |
Applying BCS–BEC crossover theory to high-temperature superconductors and ultracold atomic Fermi gases (Review Article) |
| title_sort |
applying bcs–bec crossover theory to high-temperature superconductors and ultracold atomic fermi gases (review article) |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
2006 |
| topic_facet |
Pseudogap |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/120188 |
| citation_txt |
Applying BCS–BEC crossover theory to
high-temperature superconductors and ultracold atomic
Fermi gases
(Review Article) / Qijin Chen, J. Stajic, K. Levin // Физика низких температур. — 2006. — Т. 32, № 4-5. — С. 538–560. — Бібліогр.: 121 назв. — англ. |
| series |
Физика низких температур |
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| first_indexed |
2023-10-18T20:36:29Z |
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2023-10-18T20:36:29Z |
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