{"id":"W3157816815","doi":"10.1103/prxquantum.2.040333","title":"Gravitational Redshift Tests with Atomic Clocks and Atom Interferometers","year":2021,"lang":"en","type":"article","venue":"PRX Quantum","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":45,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Natural Sciences and Engineering Research Council of Canada; Hagler Institute for Advanced Study, Texas A&M University; Bundesministerium für Wirtschaft und Energie; Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg; Deutsches Zentrum für Luft- und Raumfahrt; Deutsche Forschungsgemeinschaft; Texas A and M University; Carl-Zeiss-Stiftung; Alexander von Humboldt-Stiftung; Texas AgriLife Research","keywords":"Gravitational redshift; Atom interferometer; Astronomical interferometer; Redshift; Physics; Atomic clock; Gravitation; Atom (system on chip); Astrophysics; Astronomy; Atomic physics; Interferometry; Galaxy; 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":[0.005178659,0.0009689244,0.001068959,0.003735733,0.001372485,0.00336439,0.001658288,0.002355913,0.00257295],"category_scores_gemma":[0.02015851,0.00050534,0.0008805576,0.002896496,0.008269001,0.005599491,0.006727178,0.003311969,0.0008340958],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001285492,"about_ca_system_score_gemma":0.001441815,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001269431,"about_ca_topic_score_gemma":0.0007886206,"domain_scores_codex":[0.9910156,0.003900087,0.0004014125,0.001086341,0.003077468,0.0005190435],"domain_scores_gemma":[0.9950587,0.001951796,0.000823262,0.001274215,0.0006716475,0.0002205275],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0001328909,0.00002872246,0.001561975,0.00004743985,0.00003380388,0.000058071,0.0001564204,0.002291842,0.00285118,0.9690043,0.0008043979,0.02302896],"study_design_scores_gemma":[0.0001272597,0.0002751084,0.003162556,0.00009300423,0.00006996921,0.0003050006,0.0002220014,0.02327392,0.01253485,0.9385355,0.02126311,0.0001376954],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.07480668,0.001715769,0.8525555,0.001865956,0.001167339,0.000239557,0.000531528,0.0009166402,0.06620102],"genre_scores_gemma":[0.7704715,0.001338009,0.2197853,0.0006152879,0.0007165732,0.000267965,0.000322133,0.0001744959,0.006308704],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.005178659,"threshold_uncertainty_score":0.02738768,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009248399529000069,"score_gpt":0.2558729110166014,"score_spread":0.2466245114876013,"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."}}