Point-contact spectroscopy of superconducting URu2Si2
K. Hasselbach, J. R. Kirtley, P. Lejay
DOI 10.1103/PhysRevB.46.5826 · Physical Review B
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Abstract
We present point-contact measurements of the antiferromagnetic heavy-fermion superconductor URu2Si2. Our data in the superconducting state agree remarkably well with the theory of Blonder, Tinkham, and Klapwijk (BTK), and are consistent with a gap with d-wave symmetry. In the normal state a ‘‘gap’’ in the conductance develops as the temperature is lowered below the Néel temperature. The persistence of this gap into the superconducting state supports the view that magnetically correlated electrons participate in the superconductivity.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| URu2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.2 | Pressure not reported | onset |
| CeCu2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| UPt3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| UBe13 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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