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- Title
Superconducting Phase Diagram of the Paramagnetic One-Band Hubbard Model.
- Authors
Kreisel, Andreas; Rømer, Astrid; Andersen, Brian; Hirschfeld, P.
- Abstract
We study spin-fluctuation-mediated superconductivity in the one-band Hubbard model. Higher-order effective interactions in U give rise to a superconducting instability which is very sensitive to changes in the Fermi surface topology arising as a function of doping and changes in the band structure. We show the superconducting phase diagram as a function of doping and next-nearest neighbor hopping in the limit of very small Coulomb interaction strength and discuss peculiarities arising at the phase boundaries separating different superconducting domains.
- Subjects
SUPERCONDUCTIVITY; HUBBARD model; FERMI surfaces; MAGNETISM; ELECTRONIC band structure
- Publication
Journal of Superconductivity & Novel Magnetism, 2017, Vol 30, Issue 1, p85
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-016-3758-x