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F. Sant’Ana

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Preprint Jul 2026

Entanglement asymmetry in the gapped XYZ spin-$\frac12$ chain

The entanglement asymmetry measures how strongly a symmetry is broken inside a subsystem. Analytic results at equilibrium have so far covered free theories and, perturbatively, the critical XXZ chain. We compute the R\'enyi entanglement asymmetries of a large interval in the gapped, $U(1)$-breaking phase of the interac...

F. Sant'Ana · 0 citations

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