Critical fields and Landau-Ginzburg parameters of the heavy-fermion superconductor UPt3
Zuyu Zhao, F. Behroozi, S. Adenwalla, Y. Guan, J. B. Ketterson, Bimal K. Sarma, D. G. Hinks
DOI 10.1103/PhysRevB.43.13720 · Physical Review B
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Abstract
Measurements of both the lower and upper critical fields along all three principal axes of the heavy-fermion superconductor UPt3 have been performed. A kink in the temperature dependence of the lower critical field, Hc1, is observed for all three orientations, which is in agreement with a recent theory by Hess, Tokuyasu, and Sauls. Also, an anisotropy of the temperature dependence of the lower critical field is observed at low temperatures (T<290 mK). The Landau-Ginzburg parameters are estimated from the experimental results.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UPt3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.5 | Pressure unresolved | unknown |
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