Finite temperature phase diagram of trapped Fermi gases with population imbalance

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dc.creatorZhang, Wei
dc.creatorDuan, L. -M.
dc.date2007-06-08
dc.date2008-05-21
dc.date.accessioned2026-07-07T09:39:45Z
dc.date.available2026-07-07T09:39:45Z
dc.descriptionWe consider a trapped Fermi gas with population imbalance at finite temperatures and map out the detailed phase diagram across a wide Feshbach resonance. We take the Larkin-Ovchinnikov-Fulde-Ferrel (LOFF) state into consideration and minimize the thermodynamical potential to ensure stability. Under the local density approximation, we conclude that a stable LOFF state is present only on the BCS side of the Feshbach resonance, but not on the BEC side or at unitarity. Furthermore, even on the BCS side, a LOFF state is restricted at low temperatures and in a small region of the trap, which makes a direct observation of LOFF state a challenging task.
dc.description9 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/0706.1253
dc.identifierhttp://arxiv.org/abs/0706.1253
dc.identifierPhys. Rev. A 76, 042710 (2007)
dc.identifierdoi:10.1103/PhysRevA.76.042710
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/161292
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleFinite temperature phase diagram of trapped Fermi gases with population imbalance
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