{"id":"W7106476322","doi":"","title":"Breakdown of Quantum Chaos in the Staggered-Field XXZ Chain: Confinement and Meson Formation","year":2025,"lang":"","type":"article","venue":"arXiv (Cornell University)","topic":"Quantum many-body systems","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Basic Energy Sciences; Innovation, Science and Economic Development Canada; Institut Périmètre de physique théorique; Government of Canada; Ministry of Colleges and Universities; U.S. Department of Energy","keywords":"Quantum entanglement; Spinon; Antiferromagnetism; Meson; Quantum; Quantum chaos; Anisotropy; Spin (aerodynamics); Spectral line","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000155488,0.0001216949,0.0001537829,0.0001951478,0.0003493585,0.0003951672,0.0002078203,0.0001928342,0.001049836],"category_scores_gemma":[0.0002935642,0.00008910421,0.00008552027,0.0001392898,0.0006909961,0.0003631756,0.0003371284,0.0002092912,0.0000636281],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001944299,"about_ca_system_score_gemma":0.0001813806,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004200772,"about_ca_topic_score_gemma":0.0005682083,"domain_scores_codex":[0.9999537,0.000009326207,0.00000244181,0.000006377254,0.00001355143,0.0000145284],"domain_scores_gemma":[0.9998449,0.00004034317,0.00004186381,0.00003126804,0.00001182853,0.00002979043],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0005387288,0.0002833685,0.009111516,0.0001286099,0.00003863952,0.001169948,0.000935683,0.06903602,0.7106063,0.1976373,0.0003303378,0.01018352],"study_design_scores_gemma":[0.00007287189,0.0004984062,0.007819244,0.00001796028,0.00001625054,0.0001938344,0.0003333299,0.7854162,0.1585079,0.04631061,0.0007747632,0.00003855884],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.998381,0.00001058863,0.001049064,0.00001366593,0.000001056573,0.000001386721,0.000003798937,0.000008351785,0.0005310823],"genre_scores_gemma":[0.9995159,0.00001159417,0.0003227664,0.000002786786,7.707301e-7,0.000002767497,0.000004966585,0.00000165045,0.0001368186],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001049836,"threshold_uncertainty_score":0.003512084,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0290079364698683,"score_gpt":0.1813648355029594,"score_spread":0.1523568990330911,"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."}}