{"id":"W1655601589","doi":"","title":"Spin gap in coupled quarter-filled Hubbard ladders","year":2005,"lang":"en","type":"article","venue":"Bulletin of the American Physical Society","topic":"Black Holes and Theoretical Physics","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Condensed matter physics; Spin (aerodynamics); Hubbard model; Quarter (Canadian coin); Physics; Materials science; Superconductivity; Geography; Thermodynamics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.001130562,0.0004959998,0.002437994,0.002240729,0.0026582,0.002943309,0.001533925,0.002177872,0.006776747],"category_scores_gemma":[0.00248446,0.0005482772,0.0006661761,0.001298166,0.002644015,0.002310053,0.001846436,0.001243423,0.0004544976],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001371011,"about_ca_system_score_gemma":0.001281306,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001668453,"about_ca_topic_score_gemma":0.002476638,"domain_scores_codex":[0.9996142,0.0001290024,0.0000193899,0.00003441289,0.00008938905,0.0001134629],"domain_scores_gemma":[0.9986089,0.000524379,0.0001303464,0.0001600137,0.0001742402,0.0004021082],"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":[0.0006293427,0.0002437667,0.0006810401,0.0001339741,0.00004890211,0.0004301197,0.000313431,0.01252827,0.009704085,0.9700052,0.00173252,0.00354941],"study_design_scores_gemma":[0.0003038748,0.000212312,0.0008298894,0.00008536853,0.00005508812,0.0002678864,0.0002986616,0.2358073,0.00212708,0.7588044,0.00113865,0.00006958971],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9507924,0.0006250549,0.01858774,0.001042887,0.0004432096,0.00005633343,0.00009044342,0.000460388,0.02790156],"genre_scores_gemma":[0.9903942,0.0001637731,0.00385811,0.0002362931,0.00007726182,0.00004389025,0.00004207204,0.00005738852,0.005127183],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006776747,"threshold_uncertainty_score":0.02267051,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005372408600102965,"score_gpt":0.2371292240471086,"score_spread":0.2317568154470057,"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."}}