Topological exciton condensation in the Haldane-Hubbard model produces a Néel state with odd-parity magnons showing f-wave splitting and topology changes tied to electron bandgap closing.
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Odd-parity magnons in the Haldane-Hubbard model from topological exciton condensation
Topological exciton condensation in the Haldane-Hubbard model produces a Néel state with odd-parity magnons showing f-wave splitting and topology changes tied to electron bandgap closing.