{"id":"W3121518188","doi":"10.22331/q-2021-07-22-508","title":"Spacetime Quantum Reference Frames and superpositions of proper times","year":2021,"lang":"en","type":"article","venue":"Quantum","topic":"Quantum Mechanics and Applications","field":"Physics and Astronomy","cited_by":62,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Ministry of Colleges and Universities; Institut Périmètre de physique théorique; Government of Canada","keywords":"Spacetime; Quantum spacetime; Quantum operation; Open quantum system; Quantum process; Quantum state; Inertial frame of reference; Quantum; Frame of reference; Hilbert space","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.00006876636,0.0001187933,0.0001923099,0.00003218994,0.0001213222,0.00003918673,0.00009386711,0.00004016797,0.001102387],"category_scores_gemma":[0.000006660458,0.0001068975,0.00005570557,0.0001604762,0.0000606432,0.00007794893,0.0000724921,0.00012932,0.00007501318],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000004765474,"about_ca_system_score_gemma":0.0000888974,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000110806,"about_ca_topic_score_gemma":0.000002729502,"domain_scores_codex":[0.9992343,0.0000325477,0.0001988375,0.0002463979,0.0001124827,0.0001754576],"domain_scores_gemma":[0.9993758,0.0000481755,0.00006570332,0.0003008034,0.0001339477,0.00007555453],"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":[0.000002667402,0.0001283606,0.0008124507,0.00001233322,0.00002885519,8.958546e-7,0.00009657608,7.02212e-7,0.01789739,0.9793277,0.0009935227,0.0006985037],"study_design_scores_gemma":[0.000460394,0.0001209196,0.002277564,0.0001096513,0.00008873251,0.000007723276,0.001539454,0.01404945,0.04991768,0.9006262,0.0304003,0.0004018812],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9768154,0.0004456898,0.01107546,0.001567817,0.00007954301,0.0001986392,0.0002206834,0.00003843375,0.009558322],"genre_scores_gemma":[0.9985614,0.00002978644,0.0005935038,0.00003850808,0.00005839848,0.00003845987,0.00008283518,0.00001534356,0.0005817109],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07870149,"threshold_uncertainty_score":0.9998108,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01627750582346932,"score_gpt":0.2546211847755642,"score_spread":0.2383436789520949,"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."}}