Signatures of pairing mechanisms and order parameters in ferromagnetic superconductors.
Two predictions are made for properties of the ferromagnetic superconductors discovered recently. The first one is that spin-triplet, p-wave pairing in such materials will give the magnons a mass inversely proportional to the square of the magnetization. The second one is based on a specific mechanism for p-wave pairing and predicts that the observed broad anomaly in the specific heat of URhGe will be resolved into a split transition with increasing sample quality. These predictions will help discriminate between different possible mechanisms for ferromagnetic superconductivity.
Kirkpatrick
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Institute for Physical Science and Technology, and Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
Belitz
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