Perturbation theory analysis of the strain-dependent superconducting phase diagram for Sr2RuO4
J. J. Deisz
DOI 10.1103/PhysRevB.110.014509 · Physical Review B
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Abstract
Previously, it was shown that a superconducting state dominated by singlet dx2−y2 intraband pairs emerges from the fluctuation exchange approximation (FLEX) applied to a realistic model for Sr2RuO4, a result that is increasingly aligned with experimental data. Here we apply FLEX to model the strain-dependent phase diagram of Sr2RuO4 and show that we are able to reproduce its unusual features. This adds weight to the argument that a predominantly dx2−y2 singlet pairing state represents a reasonable starting point for describing the superconducting properties of Sr2RuO4.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.5 | Pressure not reported | unknown |
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