Superconductivity from Predominantly Repulsive Interactions in Quasi One-Dimensional Systems
G. T. Zimanyi, S. A. Kivelson, A. Luther
DOI 10.1103/PhysRevLett.60.2089 · Physical Review Letters
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Abstract
We show that for a one-dimensional electron gas with strong repulsive electron-electron interactions and a weak retarded attractive interaction, superconducting fluctuations can occur at high temperatures. The dominant driving force for these fluctuations is the repulsive interactions! Although the results are for a one-dimensional model, a strong analogy exists between our results and the short-ranged resonating-valence-bond picture of superconductivity.
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