Ginzburg-Landau theory of Rashba superconductors: Concave upper critical field
Fedor V. Kusmartsev, Anna Kusmartseva, Jack C. M. Hughes, Fatemah H. Alkallas, Amira Ben Gouider Trabelsi, Qihong Chen, Kui Jin
DOI 10.1103/f5y4-gv2h · Physical Review B
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Abstract
Here we develop the application of the Ginzburg-Landau theory to Rashba superconductors, focusing on their unique properties, critical fields, and implications for quantum computing and material design. Rashba coupling mitigates the suppression of superconductivity caused by Zeeman fields, enabling the restoration of superconductivity at finite temperatures. This interaction between Rashba spin-orbit coupling and superconductivity enhances the system's ability to maintain superconducting states despite external magnetic influences. The upper critical field analytic dependence on temperature has a characteristic concave shape.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| LiTi2O4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| CePt3Si Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| FeSe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| MoS2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| CeRhSi3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| CeIrSi3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| CeCoGe3 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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