Superconducting glass behaviour in the r
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Tadeusz K. Kopeć; Piotr Wróbel
📂
Article
📅
1990
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Elsevier Science
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English
⚖ 330 KB
The extended Hubbard model with on-site attraction and random infinite-range inter-site Coulomb interaction is stUdied for the arbitrary band filling. In the strong coupling regime the problem is mapped onto a system of hard-core bosons (local electron pairs) on a lattice described by the anisotropi