Interdependence of magnetism and superconductivity in the borocarbide TmNi2B2C

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dc.creatorNoergaard, K.
dc.creatorEskildsen, M. R.
dc.creatorAndersen, N. H.
dc.creatorJensen, J.
dc.creatorHedegaard, P.
dc.creatorKlausen, S. N.
dc.creatorCanfield, P. C.
dc.date1999-12-16
dc.date.accessioned2026-07-07T03:15:42Z
dc.date.available2026-07-07T03:15:42Z
dc.descriptionWe have discovered a new antiferromagnetic phase in TmNi2B2C by neutron diffraction. The ordering vector is Q_A = (0.48,0,0) and the phase appears above a critical in-plane magnetic field of 0.9 T. The field was applied in order to test the assumption that the zero-field magnetic structure at Q_F = (0.094,0.094,0) would change into a c-axis ferromagnet if superconductivity were destroyed. We present theoretical calculations which show that two effects are important: A suppression of the ferromagnetic component of the RKKY exchange interaction in the superconducting phase, and a reduction of the superconducting condensation energy due to the periodic modulation of the moments at the wave vector Q_A.
dc.identifierhttps://arxiv.org/abs/cond-mat/9912299
dc.identifierhttp://arxiv.org/abs/cond-mat/9912299
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/30077
dc.subjectCondensed Matter
dc.titleInterdependence of magnetism and superconductivity in the borocarbide TmNi2B2C
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