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Magnetic quantum critical point and superconductivity in UPt3 doped with Pd


Reference:

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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Official URL:

http://link.aps.org/doi/10.1103/PhysRevLett.85.3005

Abstract

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.

Details

Item Type Articles
Creatorsde Visser, A., Graf, M. J., Estrela, P., Amato, A., Baines, C., Andreica, D., Gygax, F. N. and Schenck, A.
DOI10.1103/PhysRevLett.85.3005
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
RefereedYes
StatusPublished
ID Code12137
Additional InformationID number: 000089581400040

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