Even-odd parity transition in strongly correlated locally noncentrosymmetric superconductors: Application to CeRh2As2
Kosuke Nogaki, Youichi Yanase
DOI 10.1103/PhysRevB.106.L100504 · Physical Review B
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Abstract
The discovery of the multiple H−T phase diagram of CeRh2As2 offers a new route to designing topological superconductors. Although weak-coupling theories explain the experimental phase diagram qualitatively, a quantitative discrepancy between them has discouraged a conclusive interpretation. In this Letter, we thoroughly study the effect of the Coulomb interaction and the phase diagrams of locally noncentrosymmetric superconductors. We reveal an even-odd parity transition and the enhancement of the parity transition field in strongly correlated superconductors, and an issue of CeRh2As2 is resolved.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| CeRh2As2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.26 | Pressure not reported | unknown |
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