{"id":"W4321606970","doi":"10.1103/physrevd.107.045014","title":"Quantum superpositions of Minkowski spacetime","year":2023,"lang":"en","type":"article","venue":"Physical review. D/Physical review. D.","topic":"Quantum Electrodynamics and Casimir Effect","field":"Physics and Astronomy","cited_by":36,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute; University of Waterloo","funders":"Centre of Excellence for Quantum Computation and Communication Technology, Australian Research Council; Australian Research Council; Natural Sciences and Engineering Research Council of Canada; Asian Office of Aerospace Research and Development","keywords":"Minkowski space; Physics; Spacetime; Quantum field theory in curved spacetime; Spacetime topology; Causal sets; Quantum gravity; Unruh effect; Quantum spacetime; Stationary spacetime; Linearized gravity; Classical mechanics; Quantum field theory; Quantum mechanics; Quantum; 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":[0.001240001,0.0003263088,0.0005865199,0.0009439641,0.0006829489,0.001225102,0.0005569166,0.0006728785,0.002681871],"category_scores_gemma":[0.001888462,0.0003773488,0.000565726,0.0006043746,0.003081324,0.00357219,0.001640919,0.001245373,0.0001823409],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007418339,"about_ca_system_score_gemma":0.0004035377,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003523615,"about_ca_topic_score_gemma":0.0003035114,"domain_scores_codex":[0.9993008,0.0002415488,0.00002991131,0.0001301375,0.0002378604,0.00005968383],"domain_scores_gemma":[0.9992439,0.0002672491,0.0001231933,0.0002079697,0.00009064553,0.00006718074],"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":[0.00002902272,0.000006533903,0.0001802082,0.00004830212,0.00001722564,0.00006218141,0.0002647785,0.002307353,0.00525091,0.9877759,0.0002585014,0.003799179],"study_design_scores_gemma":[0.00002236019,0.00006860369,0.001498877,0.00003603296,0.00002378129,0.0002830984,0.0001794746,0.03130671,0.004629571,0.9541783,0.007726614,0.00004650723],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5212317,0.004830448,0.3697257,0.002175821,0.0005154035,0.0001085768,0.000222161,0.0005405181,0.1006497],"genre_scores_gemma":[0.9617431,0.001032937,0.0331413,0.0002739601,0.00010191,0.00004038312,0.00005047847,0.00005755928,0.003558385],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002681871,"threshold_uncertainty_score":0.00897181,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01066065754925434,"score_gpt":0.4023646976589861,"score_spread":0.3917040401097318,"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."}}