Magnetic quantum critical point and superconductivity in UPt3 doped with Pd
de Visser, A., Graf, M. J., Estrela, P., Amato, A., Baines, C., Andreica, D., Gygax, F. N. and Schenck, A., 2000. Magnetic quantum critical point and superconductivity in UPt3 doped with Pd. Physical Review Letters, 85 (14), pp. 3005-3008.
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Transverse-field muon spin relaxation measurements have been carried out on the heavy-fermion superconductor UPt3 doped with small amounts of Pd. We find that the critical Pd concentration for the emergence of the large-moment antiferromagnetic phase is similar to 0.6at.%Pd. At the same Pd content, superconductivity is completely suppressed. The existence of a magnetic quantum critical point in the phase diagram, which coincides with the critical point for superconductivity, provides evidence for ferromagnetic spin-fluctuation mediated odd-parity superconductivity, which competes with antiferromagnetic order.
|Creators||de Visser, A., Graf, M. J., Estrela, P., Amato, A., Baines, C., Andreica, D., Gygax, F. N. and Schenck, A.|
|Departments||Faculty of Engineering & Design > Electronic & Electrical Engineering|
|Additional Information||ID number: 000089581400040|
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