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Superconductivity From Doping A Spin-Liquid Insulator: A Simple One-Dimensional Example

PHYSICAL REVIEW B, no. 14 (1996): 10054-10060

Cited: 79|Views21

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pubmed.ncbi.nlm.nih.gov academic.microsoft.com arxiv.org

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nearest neighborphase diagramhubbard model

Abstract

We study the phase diagram of a one-dimensional Hubbard model where, in addition to the standard nearest-neighbor hopping t, we also include a next-to-nearest-neighbor hopping t'. For strong enough on-site repulsion, this model has a transition at half filling from a magnetic insulator with gapless spin excitations at small t'/t to a dime...More

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Michele Fabrizio

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