{"id":"W2144820907","doi":"10.1038/ncomms1416","title":"No extension of quantum theory can have improved predictive power","year":2011,"lang":"en","type":"article","venue":"Nature Communications","topic":"Quantum Mechanics and Applications","field":"Physics and Astronomy","cited_by":227,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Institut Périmètre de physique théorique; Industry Canada; Government of Canada; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; National Science Foundation","keywords":"Randomness; Quantum process; Quantum probability; Indeterminism; Quantum cryptography; Extension (predicate logic); Open quantum system; Quantum information; Computer science; Quantum; Quantum mechanics; Theoretical physics; Statistical physics; Physics; Mathematics; Quantum dynamics; Determinism","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":[0.008504276,0.0009498282,0.001631593,0.001142105,0.001164426,0.002776085,0.002169024,0.002241438,0.003207298],"category_scores_gemma":[0.02579446,0.0007054129,0.001643489,0.0007881637,0.007189978,0.009451148,0.004080222,0.004714501,0.0007265987],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001187077,"about_ca_system_score_gemma":0.00133823,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005480988,"about_ca_topic_score_gemma":0.0005870993,"domain_scores_codex":[0.9967296,0.001006813,0.0001828252,0.0008883549,0.00085666,0.0003357001],"domain_scores_gemma":[0.9738033,0.01413062,0.001938184,0.008236988,0.001157426,0.0007334392],"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":[0.0002076479,0.00006880113,0.001504322,0.0001210144,0.00009769887,0.0001421323,0.0001419291,0.0399651,0.002270841,0.941687,0.001182101,0.01261147],"study_design_scores_gemma":[0.00002861604,0.00007538553,0.000479461,0.00003547839,0.00002804726,0.0000753455,0.00001588248,0.08547996,0.0008322317,0.9113436,0.001566493,0.00003951741],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2782314,0.002482345,0.6367548,0.01486139,0.0008112662,0.0001053119,0.000600378,0.001183528,0.06496971],"genre_scores_gemma":[0.9416006,0.0008317103,0.05261909,0.001075419,0.0005522241,0.00008820373,0.0001949446,0.0001133729,0.002924417],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.008504276,"threshold_uncertainty_score":0.0449754,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01726736971838228,"score_gpt":0.2677474349049432,"score_spread":0.2504800651865609,"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."}}