Effects of diagonal disorder on charge density wave and superconductivity in local pair systems

Grzegorz Pawłowski and Stanisław Robaszkiewicz

Physica A: Statistical Mechanics and its Applications, 2001, vol. 299, issue 3, 475-493

Abstract: We analyse the influence of diagonal disorder (random site energy) on charge density wave (CDW) and superconductivity (SS) in local pair systems which are described by the model of hard core charged bosons on a lattice. This problem was previously studied within the mean field approximation for the case of half-filled band (n=1). Here we extend that investigation to the case of arbitrary particle concentration (0Keywords: Hard-core bosons; Local electron pairing (local pairs); Disordered systems; Charge density waves; Superconductivity; Phase separations (search for similar items in EconPapers)
Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:299:y:2001:i:3:p:475-493

DOI: 10.1016/S0378-4371(01)00261-8

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