Density-Matrix Renormalization Group Study of Trapped Imbalanced Fermi Condensates

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dc.creatorTezuka, Masaki
dc.creatorUeda, Masahito
dc.date2007-08-07
dc.date2008-02-07
dc.date.accessioned2026-07-07T09:45:27Z
dc.date.available2026-07-07T09:45:27Z
dc.descriptionThe density-matrix renormalization group is employed to investigate a harmonically-trapped imbalanced Fermi condensate based on a one-dimensional attractive Hubbard model. The obtained density profile shows a flattened population difference of spin-up and spin-down components at the center of the trap, and exhibits phase separation between the condensate and unpaired majority atoms for a certain range of the interaction and population imabalance $P$. The two-particle density matrix reveals that the sign of the order parameter changes periodically, demonstrating the realization of the Fulde-Ferrell-Larkin-Ovchinnikov phase. The minority spin atoms contribute to the quasi-condensate up to at least $P \simeq 0.8$. Possible experimental situations to test our predictions are discussed.
dc.description4 pages, 3 figures; added references; accepted for publication in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/0708.0894
dc.identifierhttp://arxiv.org/abs/0708.0894
dc.identifierPhys. Rev. Lett. 100, 110403 (March 2008)
dc.identifierdoi:10.1103/PhysRevLett.100.110403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/163200
dc.subjectStrongly Correlated Electrons
dc.titleDensity-Matrix Renormalization Group Study of Trapped Imbalanced Fermi Condensates
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