Induced interactions and the superfluid transition temperature in a three-component Fermi gas
We study many-body contributions to the effective interaction between fermions in a three-component Fermi mixture. We find that effective interactions induced by the third component can lead to a phase diagram different from that predicted if interactions with the third component are neglected. As a result, in a confining potential a superfluid shell structure can arise even for equal populations of the components. We also find a critical temperature for the BCS transition in a 6Li mixture which can deviate strongly from the one in a weakly interacting two-component system.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2009 |
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| Erschienen: |
2009 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:103 |
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| Enthalten in: |
Physical review letters - 103(2009), 26 vom: 31. Dez., Seite 260403 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Martikainen, J-P [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 28.06.2010 Date Revised 06.04.2010 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM197105688 |
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| 100 | 1 | |a Martikainen, J-P |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Induced interactions and the superfluid transition temperature in a three-component Fermi gas |
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| 500 | |a Date Completed 28.06.2010 | ||
| 500 | |a Date Revised 06.04.2010 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a We study many-body contributions to the effective interaction between fermions in a three-component Fermi mixture. We find that effective interactions induced by the third component can lead to a phase diagram different from that predicted if interactions with the third component are neglected. As a result, in a confining potential a superfluid shell structure can arise even for equal populations of the components. We also find a critical temperature for the BCS transition in a 6Li mixture which can deviate strongly from the one in a weakly interacting two-component system | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Kinnunen, J J |e verfasserin |4 aut | |
| 700 | 1 | |a Törmä, P |e verfasserin |4 aut | |
| 700 | 1 | |a Pethick, C J |e verfasserin |4 aut | |
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