Possible electronic properties in high-T-c superconducting cuprates from cluster calculations
Journal article, 1996

Electronic structure calculations have been performed on a Ca2Cu4O4 cluster to model possible local properties of relevance to superconductivity in cuprates. Explicit account of near-degeneracies suggests the pairing potential mixes anisotropic s and d symmetries as a result of going beyond the independent particle description. Pairing results from the screening of cation repulsion across the CuO2 plane. Pair-breaking energies in the range 0–60 meV are computed dependent on the cation to plane distance. A possible mechanism for superconductivity emerges.


Itai Panas

Chalmers, Department of Environmental Inorganic Chemistry

Chemical Physics Letters

0009-2614 (ISSN)

Vol. 259 3-4 241-246

Subject Categories

Theoretical Chemistry

Condensed Matter Physics

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