For a linear junction between two ferromagnets, magnon transmittance scales as the square root of frequency, producing a 1/sqrt(h) divergent spin conductance, a geometry-dependent magnonic Lorenz number, and a constant spin and heat relaxation time.
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Thermomagnetic anomalies in quantum magnon transport caused by tunable junction geometries in cold atomic systems
For a linear junction between two ferromagnets, magnon transmittance scales as the square root of frequency, producing a 1/sqrt(h) divergent spin conductance, a geometry-dependent magnonic Lorenz number, and a constant spin and heat relaxation time.