Direct Transition Between a Singlet Mott Insulator and a Superconductor

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dc.creatorCapone, M.
dc.creatorFabrizio, M.
dc.creatorTosatti, E.
dc.date2001-01-26
dc.date2001-05-15
dc.date.accessioned2026-07-07T08:22:22Z
dc.date.available2026-07-07T08:22:22Z
dc.descriptionWe argue that a normal Fermi liquid and a singlet, spin gapped Mott insulator cannot be continuously connected, and that some intermediate phase must intrude between them. By explicitly working out a case study where the singlet insulator is stabilized by orbital degeneracy and an inverted Hund's rule coupling, mimicking a Jahn-Teller effect, we find that the intermediate phase is a superconductor.
dc.description4 pages, 3 figure, Changes to the figures. Accepted for publication on Physical Review Letters
dc.identifierhttps://arxiv.org/abs/cond-mat/0101402
dc.identifierhttp://arxiv.org/abs/cond-mat/0101402
dc.identifierPhys. Rev. Lett. 86, 5361 (2001)
dc.identifierdoi:10.1103/PhysRevLett.86.5361
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/135634
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleDirect Transition Between a Singlet Mott Insulator and a Superconductor
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