Quantum transition between an antiferromagnetic mott insulator and dx-y2 superconductor in two dimensions

F. F. Assaad, M. Imada, D. J. Scalapino

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43 Citations (Scopus)


We consider a Hubbard model on a square lattice with an additional interaction, W, which depends upon the square of the near-neighbor hopping. At half filling and a constant value of the Hubbard repulsion, increasing the strength of the interaction W drives the system from an antiferromagnetic Mott insulator to a dx-y2 superconductor. This conclusion is reached on the basis of zero temperature quantum Monte Carlo simulations on lattice sizes up to 16 × 16.

Original languageEnglish
Pages (from-to)4592-4595
Number of pages4
JournalPhysical Review Letters
Issue number22
Publication statusPublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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