Critical current of the spin-triplet superconducting phase in Sr2RuO4

Hae-Young Kee; Yong Baek Kim; K. Maki

doi:10.1103/PhysRevB.70.052505

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Critical current of the spin-triplet superconducting phase in Sr2RuO4

Hae-Young Kee, Yong Baek Kim, K. Maki

DOI 10.1103/PhysRevB.70.052505 · Physical Review B

T1

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Abstract

There have been two different proposals for the spin-triplet order parameter of the superconducting phase in Sr2RuO4: an f-wave order parameter and the multigap model where some of the bands have the line node. In an effort to propose an experiment that can distinguish these two cases, we study the behavior of the supercurrent and compute the critical current for these order parameters when the sample is a thin film with the thickness d⪡ξ where ξ is the coherence length. It is found that the supercurrent behaves very differently in two models. This will serve as a sharp test for the identification of the correct order parameter.

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.	—	Pressure not reported	unknown