b-axis and c-axis Knight shift measurements in the superconducting state on ultraclean UTe2 with Tc=2.1 K
H. Matsumura, Y. Takahashi, K. Kinjo, S. Kitagawa, K. Ishida, Y. Tokunaga, H. Sakai, S. Kambe, A. Nakamura, Y. Shimizu, Y. Homma, D. Li, F. Honda, A. Miyake, D. Aoki
DOI 10.1103/PhysRevB.111.174526 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
Knight shifts along the b and c axes (Kb and Kc) at two crystallographically distinct Te sites were measured down to 70 mK using Te125 nuclear magnetic resonance on an ultraclean UTe2 single crystal with a superconducting (SC) transition temperature Tc=2.1 K. This was carried out to determine the d-vector components, which are the order parameter in the spin-triplet pairing. Although the decrease in Kb and Kc is comparable to the theoretical estimation of the SC diamagnetic shielding effect, it is confirmed, by taking the difference between two Knight shifts at the distinct Te sites, that the spin susceptibility along the b and c axes decreases in the SC state. Taking into account the large decrease in Ka in the SC state, we conclude that the d vector has components along all three crystal axes.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UTe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.1 | Pressure not reported | unknown |
| UTe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.06 | Pressure not reported | unknown |
| UTe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.6 | Pressure not reported | unknown |
Similar papers
-axis and -axis Knight shift measurements in the superconducting state on ultraclean UTe with = 2.1 K
similarity 0.93Hiroki Matsumura et al. · 2025 · arXiv:2505.19615
Source status unknown — claims are unverified
Anisotropic response of spin susceptibility in the superconducting state of UTe2 probed with Te125−NMR measurement
similarity 0.93Genki Nakamine et al.
Source status unknown — claims are unverified
c-axis electrical transport at the metamagnetic transition in the heavy-fermion superconductor UTe2 under pressure
similarity 0.92G. Knebel et al.
Source status unknown — claims are unverified
Field-angle evolution of the superconducting and magnetic phases of UTe2 around the b axis
similarity 0.92Sylvia K. Lewin et al.
Source status unknown — claims are unverified
Spatially inhomogeneous superconductivity in UTe2
similarity 0.92S. M. Thomas et al.
Source status unknown — claims are unverified
Unconventional Superconductivity in UTe2
similarity 0.92D. Aoki et al. · 2021 · arXiv:2110.10451
Source status unknown — claims are unverified