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most citedDestruction of Anderson localization by a weak nonlinearity

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cond-mat2003

Delocalizing effect of the Hubbard repulsion for electrons on a two-dimensional disordered lattice

Bhargavi Srinivasan, Giuliano Benenti, Dima L. Shepelyansky

We study numerically the ground-state properties of the repulsive Hubbard model for spin-1/2 electrons on two-dimensional lattices with disordered on-site energies. The projector q…