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Abstract
Spin transport in the antiferromagnetic Heisenberg model of nearest-neighbors on kagome lattice, with single-ion planar anisotropy D and out-of-plane Dzyaloshinskii–Moriya interaction (DMI) is studied using the spin-wave approach. We obtain the effect of the DMI interaction and single-ion anisotropy strength on longitudinal and transversal spin conductivities with aim to analyze the influence of these coupling parameters on spin transport. Since we found a finite spin stiffness (Drude’s weight) as a function of T, we have an ideal spin transport for the system in spite of it to be an insulator of electric current.
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