{"id":"W3038488898","doi":"10.1103/physrevlett.125.181301","title":"Finite Quantum Gravity Amplitudes: No Strings Attached","year":2020,"lang":"en","type":"article","venue":"Physical Review Letters","topic":"Noncommutative and Quantum Gravity Theories","field":"Physics and Astronomy","cited_by":84,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Institut Périmètre de physique théorique; Industry Canada; Ministry of Colleges and Universities; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Stichting voor Fundamenteel Onderzoek der Materie; Government of Canada","keywords":"Physics; Unitarity; Quantum gravity; Scattering amplitude; Spin foam; Quantum mechanics; Scalar (mathematics); Spin (aerodynamics); String theory; Effective action; Quantum electrodynamics; Amplitude; Classical mechanics; Scattering; Quantum; Loop quantum gravity; Theoretical physics","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":[0.001196724,0.0007897061,0.00082229,0.001365348,0.001223615,0.002499424,0.001417794,0.00235422,0.006850795],"category_scores_gemma":[0.004113786,0.0004661515,0.0007483584,0.0007395433,0.004336652,0.003821571,0.00182981,0.001669751,0.0005499332],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007904164,"about_ca_system_score_gemma":0.0006329631,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004579884,"about_ca_topic_score_gemma":0.0005038557,"domain_scores_codex":[0.999352,0.0002006424,0.00003752966,0.0001194752,0.000160738,0.000129607],"domain_scores_gemma":[0.9980112,0.0009406689,0.0002268474,0.0003452865,0.0001290943,0.0003468622],"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":[0.00003525853,0.00003550268,0.0002576074,0.00003434272,0.000008083987,0.0002109786,0.0001391001,0.001958097,0.003613139,0.9921108,0.0003365092,0.001260589],"study_design_scores_gemma":[0.00005853243,0.00004901816,0.0006166697,0.00002746551,0.00001875872,0.0004011375,0.0001327448,0.06163456,0.002742711,0.9334798,0.0008012473,0.00003736627],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7784553,0.0004839412,0.1188122,0.001521162,0.0005594973,0.00006182714,0.0001209327,0.0005879863,0.09939725],"genre_scores_gemma":[0.9897128,0.00009259653,0.006488407,0.0002126474,0.00009019553,0.00002210066,0.00004910444,0.00006332807,0.003268888],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006850795,"threshold_uncertainty_score":0.02291822,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03128277340396035,"score_gpt":0.31946619019651,"score_spread":0.2881834167925496,"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."}}