{"paper":{"title":"Entanglement Entropy of Non Unitary Conformal Field Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"hep-th","authors_text":"Benjamin Doyon, Davide Bianchini, Emanuele Levi, Francesco Ravanini, Olalla A. Castro-Alvaredo","submitted_at":"2014-05-12T15:27:20Z","abstract_excerpt":"In this letter we show that the R\\'enyi entanglement entropy of a region of large size $\\ell$ in a one-dimensional critical model whose ground state breaks conformal invariance (such as in those described by non-unitary conformal field theories), behaves as $S_n \\sim \\frac{c_{\\mathrm{eff}}(n+1)}{6n} \\log \\ell$, where $c_{\\mathrm{eff}}=c-24\\Delta>0$ is the effective central charge, $c$ (which may be negative) is the central charge of the conformal field theory and $\\Delta\\neq 0$ is the lowest holomorphic conformal dimension in the theory. We also obtain results for models with boundaries, and w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2804","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}