On the coexistence of superconductivity
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P. Miller; B. Janko; B.L. Gyorffy
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Article
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1993
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Elsevier Science
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English
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We study a simple tight-binding (Hubbard) model for electrons interacting via a short range attractive potential. We show that on a cubic lattice, for a half-filled band the ground state may feature both superconductivity and a charge density wave. We examine the response of such a ground state to a