Resonating valence-bond theory of superconductivity for dopant carriers: Application to the cobaltates
Alvaro Ferraz, Evgueny Kochetov, Marcin Mierzejewski
DOI 10.1103/PhysRevB.73.064516 · Physical Review B
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Abstract
Within the t−J model Hamiltonian we present a resonating valence-bond mean-field theory directly in terms of dopant particles. We apply this theory to NaxCoO2∙yH20 and show that the resulting phase diagram Tc versus doping is in qualitative agreement with the experimental results.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| NaxCoO2.yH2O Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 5 | Pressure not reported | unknown |
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