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Resonating-valence-bond theory for the square-planar lattice

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The short-range resonating-valence-bond (RVB) wave function with nearest-neighbor (NN) spin pairings only is investigated as a possible description for the Heisenberg model on a square-planar lattice. A type of long-range order associated to this RVB Ansatz is identified along with some qualitative consequences involving lattice distortions, excitations, and their coupling.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.43.719

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Articles publicats en revistes (Física de la Matèria Condensada)

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Resonating-valence-bond theory for the square-planar lattice