Phase-fluctuating 3D Bose-Einstein condensates in elongated traps
We find that in very elongated 3D trapped Bose gases, even at temperatures far below the BEC transition temperature T(c), the equilibrium state will be a 3D condensate with fluctuating phase (quasicondensate). At sufficiently low temperatures the phase fluctuations are suppressed and the quasiconden...
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| Veröffentlicht in: | Physical review letters 2001-07, Vol.87 (5), p.050404-050404, Article 050404 |
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| container_end_page | 050404 |
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| container_issue | 5 |
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| container_title | Physical review letters |
| container_volume | 87 |
| creator | Petrov, D S Shlyapnikov, G V Walraven, J T |
| description | We find that in very elongated 3D trapped Bose gases, even at temperatures far below the BEC transition temperature T(c), the equilibrium state will be a 3D condensate with fluctuating phase (quasicondensate). At sufficiently low temperatures the phase fluctuations are suppressed and the quasicondensate turns into a true condensate. The presence of the phase fluctuations allows for extending thermometry of Bose-condensed gases well below those established in current experiments. |
| doi_str_mv | 10.1103/physrevlett.87.050404 |
| format | Article |
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At sufficiently low temperatures the phase fluctuations are suppressed and the quasicondensate turns into a true condensate. 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At sufficiently low temperatures the phase fluctuations are suppressed and the quasicondensate turns into a true condensate. The presence of the phase fluctuations allows for extending thermometry of Bose-condensed gases well below those established in current experiments.</abstract><cop>United States</cop><pub>The American Physical Society</pub><pmid>11497755</pmid><doi>10.1103/physrevlett.87.050404</doi><tpages>1</tpages></addata></record> |
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| issn | 0031-9007 1079-7114 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CONDENSATES FLUCTUATIONS GASES TRANSITION TEMPERATURE |
| title | Phase-fluctuating 3D Bose-Einstein condensates in elongated traps |
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