Electron spin dynamics in the spin-triplet superconducting state of Sr2RuO4: 17O NQR study
H. Mukuda, K. Ishida, Y. Kitaoka, K. Miyake, Z. Q. Mao, Y. Mori, Y. Maeno
DOI 10.1103/PhysRevB.65.132507 · Physical Review B
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Abstract
We have measured the nuclear spin-lattice relaxation rate at the planar O site (1/T1)17O on the spin-triplet superconducting (SC) Sr2RuO4. It was found that the T dependence of (1/T1)17O in the zero field exhibits a small peak just below Tc, followed by the T-linear behavior. The T dependence of (1/T1)17O contrasts with the behavior of (1/T1)101Ru of the Ru site in the SC state, and based on a comparison of (1/T1)17O and (1/T1)101Ru , we suggest that some spin dynamics with low energy appear perpendicular to the RuO2 plane in the triplet SC state.
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. | 1.49 | Pressure not reported | unknown |
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