Spectral properties of a partially spin-polarized one-dimensional Hubbard/Luttinger superfluid

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dc.creatorFeiguin, Adrian E.
dc.creatorHuse, David A.
dc.date2008-09-17
dc.date.accessioned2026-07-07T12:57:58Z
dc.date.available2026-07-07T12:57:58Z
dc.descriptionWe calculate the excitation spectra of a spin-polarized Hubbard chain away from half-filling, using a high-precision momentum-resolved time-dependent Density Matrix Renormalization Group method. Focusing on the U<0 case, we present in some detail the single-fermion, pair, density and spin spectra, and discuss how spin-charge separation is altered for this system. The pair spectra show a quasi-condensate at a nonzero momentum proportional to the polarization, as expected for this Fulde-Ferrel-Larkin-Ovchinnikov-like superfluid.
dc.description4 pages, 3 low resolution color figs
dc.identifierhttps://arxiv.org/abs/0809.3024
dc.identifierhttp://arxiv.org/abs/0809.3024
dc.identifierPhys. Rev. B 79, 100507(R) (2009)
dc.identifierdoi:10.1103/PhysRevB.79.100507
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/225091
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleSpectral properties of a partially spin-polarized one-dimensional Hubbard/Luttinger superfluid
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