Effect of disorder on the resonating-valence-bond model of high-temperature superconductivity: Relationship to experiments
L. Coffey, D. L. Cox
DOI 10.1103/PhysRevB.37.3389 · Physical Review B
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Abstract
Nonmagnetic disorder is shown to be pair breaking in the resonating-valence-bond model which has been proposed as a theoretical description of the recently discovered high-temperature superconductors. We calculate its effect on the superconducting transition temperature Tc and on the excitation gap in the superconducting density of states. We also include a discussion of the large number of recent experiments investigating suppression of Tc and discuss the relevance of the present calculation to these experiments.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure not reported | unknown |
| La2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 40 | Pressure not reported | unknown |
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