One-dimensional physics in transition-metal nanowires: Phases and elementary excitations

Details One-dimensional physics in transition-metal nanowires: Phases and elementary excitations One-dimensional physics in transition-metal nanowires: Phases and elementary excitations

2011-08-05

arxiv.org/abs/1108.1389v1

Physics

Condensed Matter

Strongly Correlated Electrons

12 pages, 5 pages

Scientific paper

We used the Hartree-Fock approximation to classify the electronic phases that might occur in a transition metal nanowire. The important features of this situation are orbital degeneracy (or near-degeneracy) and interactions favoring locally high-spin configurations. In this circumstance, spin density wave and triplet superconductivity states are favored. If the interactions favor locally low-spin configurations as in the previously studied spin ladder systems, orbital density wave and singlet superconductivity are observed.

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