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1 paper

cond-mat.str-el2025

Macroscopic ground state degeneracy of the ferro-antiferromagnetic Heisenberg model on diamond-decorated lattices

D. V. Dmitriev, V. Ya. Krivnov, O. A. Vasilyev

We investigate the spin-1/2 Heisenberg model with competing ferromagnetic and antiferromagnetic interactions on diamond-decorated lattices. Tuning the exchange interactions to the…