{"id":"W1982013600","doi":"10.1103/physreva.88.042318","title":"Entanglement negativity and topological order","year":2013,"lang":"en","type":"article","venue":"Physical Review A","topic":"Quantum many-body systems","field":"Physics and Astronomy","cited_by":136,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"","keywords":"Quantum entanglement; Boundary (topology); Toric code; Physics; Ground state; Squashed entanglement; Degrees of freedom (physics and chemistry); Multipartite entanglement; Measure (data warehouse); Quantum mechanics; Range (aeronautics); Tracing; Torus; Mathematics; Quantum computer; Mathematical analysis; Geometry; Quantum; Computer science","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006664571,0.0002926406,0.0003344418,0.001249789,0.0008944247,0.001533567,0.0004846063,0.0004151416,0.002210897],"category_scores_gemma":[0.00308522,0.0001900979,0.0002963027,0.0005619132,0.003551316,0.002117357,0.001264216,0.0006176605,0.0001677735],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000728871,"about_ca_system_score_gemma":0.0003661475,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005184379,"about_ca_topic_score_gemma":0.000430568,"domain_scores_codex":[0.9996069,0.0001197128,0.00001344427,0.00005262797,0.0001298119,0.0000775924],"domain_scores_gemma":[0.9978309,0.001092982,0.00034771,0.0003820572,0.0001840283,0.0001623558],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00002383366,0.00001072666,0.0007073798,0.00002478576,0.000006644501,0.00006105597,0.000119346,0.01016552,0.0026663,0.9836655,0.0001845601,0.002364307],"study_design_scores_gemma":[0.000008896958,0.00003523026,0.001283224,0.00001679161,0.000009321683,0.0001465821,0.00008987786,0.08177706,0.004047391,0.9104042,0.002154303,0.00002713837],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7167796,0.0008508214,0.1993397,0.0007990343,0.0001070179,0.00003709026,0.0002029393,0.0001880307,0.0816958],"genre_scores_gemma":[0.9939376,0.0001450019,0.004396813,0.00004010642,0.00003231615,0.00002129597,0.00003925455,0.00002736685,0.001360231],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002210897,"threshold_uncertainty_score":0.007396162,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01131424527736541,"score_gpt":0.2943713120481808,"score_spread":0.2830570667708154,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}