Asymmetry of superconductivity in hole- and electron-doped cuprates: Explanation within two-particle self-consistent analysis for the three-band model
Daisuke Ogura, Kazuhiko Kuroki
DOI 10.1103/PhysRevB.92.144511 · Physical Review B
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Abstract
In the hole-doped cuprate superconductors, the superconducting transition temperature Tc exhibits a domelike feature against the doping rate. By contrast, recent experiments reveal that Tc in the electron-doped systems monotonically increases as the doping is reduced, at least up to a very small doping rate. Here we show that this asymmetry is reproduced by performing a two-particle self-consistent analysis for the three-band model of the CuO2 plane. This is explained as a combined effect of the intrinsic electron-hole asymmetry in systems comprising Cu3d and O2p orbitals and the band-filling-dependent vertex correction.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| HgBa2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Nd2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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