Orbital limiting and modulation induced by missing parity in noncentrosymmetric superconductors
Norihito Hiasa, Ryusuke Ikeda
DOI 10.1103/PhysRevB.78.224514 · Physical Review B
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Abstract
We examine the depairing field Hc2(T) of noncentrosymmetric superconductors with a spin-orbit coupling larger than the Zeeman energy at Hc2(0) by taking account of the mixing of spin-singlet and triplet pairing states due to the missing parity. When the singlet and triplet pairing components are mixed with an equal weight in a cubic noncentrosymmetric system, the paramagnetic depairing effect is significantly suppressed so that Hc2(T) approaches its orbital-limited value. A similar event also occurs in a quasi-two-dimensional Rashba noncentrosymmetric system. The present results are relevant to the H−T phase diagrams of CePt3Si and the families of Li2Pd3−xPtxB.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| CePt3Si 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 |
| Li2(Pd3-xPtx)B 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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