Influence of a magnetic field on the antiferromagnetic order in UPt_3

B. Lussier (McGill University); L. Taillefer (McGill University); T.E. Mason (University of Toronto); T. Petersen (University of Toronto); W.J.L. Buyers (Chalk River)

arxiv: cond-mat/9606146 · v1 · submitted 1996-06-19 · ❄️ cond-mat

Influence of a magnetic field on the antiferromagnetic order in UPt₃

B. Lussier (McGill University) , L. Taillefer (McGill University) , W.J.L. Buyers (Chalk River) , T.E. Mason (University of Toronto) , T. Petersen (University of Toronto) This is my paper

classification ❄️ cond-mat

keywords fieldmagneticorderantiferromagneticeffectbasalcouplingcurrent

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A neutron diffraction experiment was performed to investigate the effect of a magnetic field on the antiferromagnetic order in the heavy fermion superconductor UPt_3. Our results show that a field in the basal plane of up to 3.2 Tesla, higher than H_c2(0), has no effect: it can neither select a domain nor rotate the moment. This has a direct impact on current theories for the superconducting phase diagram based on a coupling to the magnetic order.

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Influence of a magnetic field on the antiferromagnetic order in UPt₃

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