Superconducting fluctuations in one-dimensional multiband models
M. I. Salkola, A. V. Balatsky
DOI 10.1103/PhysRevB.51.15267 · Physical Review B
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Abstract
A renormalization-group and bosonization approach for a multiband Hamiltonian in one dimension is described. Based on the limit of many bands, it is argued that this Hamiltonian with bare repulsive electron-electron interactions is scaled under specific conditions to a model in which superconducting ordering fluctuations dominate.
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