{"id":"W2122651881","doi":"10.1038/ncomms4115","title":"Direct measurement of a 27-dimensional orbital-angular-momentum state vector","year":2014,"lang":"en","type":"article","venue":"Nature Communications","topic":"Orbital Angular Momentum in Optics","field":"Physics and Astronomy","cited_by":229,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Ottawa","funders":"Defense Advanced Research Projects Agency; Engineering and Physical Sciences Research Council; Canada Excellence Research Chairs, Government of Canada; European Commission; Royal Society","keywords":"Angular momentum; Physics; Azimuthal quantum number; Angular momentum coupling; Total angular momentum quantum number; Orbital motion; Quantum state; Orbital angular momentum of light; Curse of dimensionality; Angular momentum operator; Quantum mechanics; Angular momentum of light; State vector; Weak measurement; Quantum; Mathematics; Statistics","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":[],"consensus_categories":[],"category_scores_codex":[0.0004468804,0.0001633475,0.0002324237,0.00007621374,0.0001551748,0.00002593827,0.0007191963,0.00006847524,0.0001286777],"category_scores_gemma":[0.00005991554,0.0001523784,0.0001386929,0.0002337313,0.0001321838,0.00008711285,0.0003928356,0.0004605901,0.00005574901],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006059484,"about_ca_system_score_gemma":0.00006696669,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006183875,"about_ca_topic_score_gemma":0.00003830793,"domain_scores_codex":[0.9986791,0.0001561076,0.0003229699,0.0001822652,0.0004504257,0.0002091581],"domain_scores_gemma":[0.9976908,0.0001518242,0.0001923762,0.001507764,0.0003736132,0.00008364743],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00009483624,0.005739363,0.04681352,0.0001284161,0.001818838,0.000001914269,0.001743837,0.0006269908,0.1254456,0.744423,0.06248618,0.01067756],"study_design_scores_gemma":[0.004381627,0.0007766814,0.05416798,0.0005383319,0.0006619835,0.000007186998,0.0006115481,0.009873125,0.1846557,0.04663064,0.6953093,0.00238586],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.618068,0.01277987,0.00378216,0.01020715,0.002648567,0.002148038,0.0009039664,0.0003830513,0.3490792],"genre_scores_gemma":[0.9948726,0.000006817864,0.004295911,0.00005288046,0.000068191,0.00003381677,0.0001205241,0.00002417822,0.0005250972],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6977924,"threshold_uncertainty_score":0.6213812,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01388512413427376,"score_gpt":0.2562105414080948,"score_spread":0.2423254172738211,"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."}}