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R. L. Doretto

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Preprint Oct 2026

Triplon thermal Hall response in a honeycomb-lattice $J_1$-$J_2$ Heisenberg antiferromagnet with Dzyaloshinskii--Moriya interactions

We investigate triplon topology and the thermal Hall transport in a columnar valence-bond solid of a spin-$1/2$ honeycomb-lattice $J_1$-$J_2$ Heisenberg antiferromagnet. Inequivalent triangular sublattices, modeled by $J_2^A\neq J_2^B$, remove inversion symmetry at nearest-neighbor bond centers and allow in-plane Dzyal...

GF Figuêiredo, E. Miranda, R. L. Doretto · 0 citations

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