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Volumn 275, Issue 1-2, 1997, Pages 93-109

From microscopic description to statistical mechanics of Cu-O chain fragments in high-Tc superconductors REBa2Cu3O6+x

Author keywords

ASYNNNI model; Cu O chains; Emery model; REBCO compounds

Indexed keywords

CHARGE TRANSFER; CHEMICAL BONDS; COPPER OXIDES; MATHEMATICAL MODELS; MONTE CARLO METHODS; OXIDE SUPERCONDUCTORS; RARE EARTH COMPOUNDS; STATISTICAL MECHANICS; SUPERCONDUCTIVITY;

EID: 0031079059     PISSN: 09214534     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-4534(97)00002-6     Document Type: Article
Times cited : (16)

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    • note
    • The metallic state is usually associated with orthorhombicity with an increased lattice constant in the chain direction. This reduces the hopping amplitude t and narrows the 1D band. The chemical potential counted from the 1D bottom determines the 1D band filling, decreasing with t, see Fig. 12. The effective changes can be described by renormalizing the chemical potential and temperature.


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