{"id":"W3149469788","doi":"10.1088/1361-6382/ac1b44","title":"Effective spin foam models for Lorentzian quantum gravity","year":2021,"lang":"en","type":"preprint","venue":"Classical and Quantum Gravity","topic":"Noncommutative and Quantum Gravity Theories","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Government of Canada","keywords":"Spin foam; Path integral formulation; Physics; Degrees of freedom (physics and chemistry); Quantum gravity; Quantum; Torsion (gastropod); Classical mechanics; Metric (unit); Spin (aerodynamics); Null (SQL); Theoretical physics; Loop quantum gravity; Topology (electrical circuits); Quantum mechanics; Mathematics; Computer science","routes":{"ca_aff":true,"ca_fund":true,"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":[0.001066681,0.0007231302,0.001029326,0.00172916,0.001025533,0.001902015,0.001679037,0.001941234,0.006309427],"category_scores_gemma":[0.002642593,0.0003208411,0.001092418,0.0006812626,0.003482344,0.003582266,0.001598195,0.0010811,0.0004253549],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001381613,"about_ca_system_score_gemma":0.0006121114,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001948855,"about_ca_topic_score_gemma":0.001408103,"domain_scores_codex":[0.9994023,0.0002020221,0.00002167026,0.0000526187,0.000208811,0.000112491],"domain_scores_gemma":[0.9988534,0.000331057,0.0001418604,0.0002076661,0.0002044073,0.0002615881],"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":[0.00001245741,0.00001884429,0.0001243396,0.00001570157,0.00000587438,0.00005845084,0.00004820836,0.00878414,0.0003310774,0.989197,0.0003311873,0.001072654],"study_design_scores_gemma":[0.00001477321,0.0000182138,0.0001351677,0.00001031443,0.000003466406,0.00006271133,0.00003175353,0.1191406,0.0001216202,0.8797551,0.0006971019,0.000009088841],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6816237,0.001589878,0.2259924,0.002920325,0.0003098708,0.0000822533,0.0002855604,0.0005188123,0.08667707],"genre_scores_gemma":[0.9798711,0.0003326378,0.01449099,0.000206309,0.0001811011,0.00005248393,0.0001511456,0.00007976587,0.004634594],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006309427,"threshold_uncertainty_score":0.02110714,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02435223831134417,"score_gpt":0.3018968274664733,"score_spread":0.2775445891551291,"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."}}