Scaling of $\Tcmax$ with the charge-transfer energy in hole-doped cuprates

Details Scaling of $\Tcmax$ with the charge-transfer energy in hole-doped cuprates Scaling of $\Tcmax$ with the charge-transfer energy in hole-doped cuprates

2011-08-15

arxiv.org/abs/1108.3028v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 5 figures; Supplementary Material 4 pages, 1 figure

Scientific paper

We use first-principles calculations to extract two essential microscopic parameters, the charge-transfer energy and the inter-cell oxygen-oxygen hopping, which correlate with the maximum superconducting transition temperature $\Tcmax$ across the cuprates. We explore the superconducting state in the three-band model of the copper-oxygen planes using cluster Dynamical Mean-Field Theory with an exact diagonalization impurity solver. We find that variations in the charge-transfer energy largely accounts for the trend in $\Tcmax$ across the cuprate families.

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