Strongly Interacting Fermi Gases with Density Imbalance
We consider density-imbalanced Fermi gases of atoms in the strongly interacting, i.e., unitarity, regime. The Bogoliubov-de Gennes equations for a trapped superfluid are solved. They take into account the finite size of the system, as well as give rise to both phase separation and Fulde-Ferrel-Larki...
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| Veröffentlicht in: | Physical review letters 2006-03, Vol.96 (11) |
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| container_title | Physical review letters |
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| creator | Kinnunen, J. Jensen, L.M. Toermae, P. |
| description | We consider density-imbalanced Fermi gases of atoms in the strongly interacting, i.e., unitarity, regime. The Bogoliubov-de Gennes equations for a trapped superfluid are solved. They take into account the finite size of the system, as well as give rise to both phase separation and Fulde-Ferrel-Larkin-Ovchinnikov-type oscillations in the order parameter. We show how radio-frequency spectroscopy reflects the phase separation, and can provide direct evidence of the FFLO-type oscillations via observing the nodes of the order parameter. |
| doi_str_mv | 10.1103/PHYSREVLETT.96.1 |
| format | Article |
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The Bogoliubov-de Gennes equations for a trapped superfluid are solved. They take into account the finite size of the system, as well as give rise to both phase separation and Fulde-Ferrel-Larkin-Ovchinnikov-type oscillations in the order parameter. We show how radio-frequency spectroscopy reflects the phase separation, and can provide direct evidence of the FFLO-type oscillations via observing the nodes of the order parameter.</description><subject>ATOMS</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>EQUATIONS</subject><subject>FERMI GAS</subject><subject>FERMIONS</subject><subject>ORDER PARAMETERS</subject><subject>OSCILLATIONS</subject><subject>RADIOWAVE RADIATION</subject><subject>SPECTROSCOPY</subject><subject>SUPERFLUIDITY</subject><subject>TRAPPING</subject><subject>UNITARITY</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqNyrsKwjAUANAgCtbH7hhwbr231aadtVrBQWwRnEoM1xqpKTQB8e918AOcznIYmyEEiBAtjvmlOGXnQ1aWQRoH2GMegkh9gbjsMw8gQj8FEEM2svYBABjGicdE4brW1M2b742jTiqnTc231D0130lLlr-0u_MNGavdNz2vspFG0YQNbrKxNP05ZvNtVq5zv7VOV1ZpR-quWmNIuSoEIZIkXEX_rQ-aKz1M</recordid><startdate>20060324</startdate><enddate>20060324</enddate><creator>Kinnunen, J.</creator><creator>Jensen, L.M.</creator><creator>Toermae, P.</creator><scope>OTOTI</scope></search><sort><creationdate>20060324</creationdate><title>Strongly Interacting Fermi Gases with Density Imbalance</title><author>Kinnunen, J. ; Jensen, L.M. ; Toermae, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_207788253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>ATOMS</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>EQUATIONS</topic><topic>FERMI GAS</topic><topic>FERMIONS</topic><topic>ORDER PARAMETERS</topic><topic>OSCILLATIONS</topic><topic>RADIOWAVE RADIATION</topic><topic>SPECTROSCOPY</topic><topic>SUPERFLUIDITY</topic><topic>TRAPPING</topic><topic>UNITARITY</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kinnunen, J.</creatorcontrib><creatorcontrib>Jensen, L.M.</creatorcontrib><creatorcontrib>Toermae, P.</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kinnunen, J.</au><au>Jensen, L.M.</au><au>Toermae, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strongly Interacting Fermi Gases with Density Imbalance</atitle><jtitle>Physical review letters</jtitle><date>2006-03-24</date><risdate>2006</risdate><volume>96</volume><issue>11</issue><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We consider density-imbalanced Fermi gases of atoms in the strongly interacting, i.e., unitarity, regime. The Bogoliubov-de Gennes equations for a trapped superfluid are solved. They take into account the finite size of the system, as well as give rise to both phase separation and Fulde-Ferrel-Larkin-Ovchinnikov-type oscillations in the order parameter. We show how radio-frequency spectroscopy reflects the phase separation, and can provide direct evidence of the FFLO-type oscillations via observing the nodes of the order parameter.</abstract><cop>United States</cop><doi>10.1103/PHYSREVLETT.96.1</doi></addata></record> |
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| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2006-03, Vol.96 (11) |
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| language | eng |
| recordid | cdi_osti_scitechconnect_20778825 |
| source | American Physical Society Journals |
| subjects | ATOMS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY EQUATIONS FERMI GAS FERMIONS ORDER PARAMETERS OSCILLATIONS RADIOWAVE RADIATION SPECTROSCOPY SUPERFLUIDITY TRAPPING UNITARITY |
| title | Strongly Interacting Fermi Gases with Density Imbalance |
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