{"id":"W2897533285","doi":"10.1088/1367-2630/abe7a0","title":"Indefinite causal order enables perfect quantum communication with zero capacity channels","year":2021,"lang":"en","type":"article","venue":"New Journal of Physics","topic":"Quantum Mechanics and Applications","field":"Physics and Astronomy","cited_by":111,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"National Natural Science Foundation of China; Foundational Questions Institute","keywords":"Superposition principle; Quantum capacity; Communication source; Quantum superposition; Quantum; Quantum information science; Quantum channel; Classical capacity; Zero (linguistics)","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0001482858,0.0001406935,0.0002465025,0.00002710065,0.0001659337,0.00008889267,0.0002098709,0.00003160168,0.0001142923],"category_scores_gemma":[0.000006128025,0.0001171468,0.0001023664,0.0003303674,0.00003329857,0.0002166233,0.00004816281,0.0003614228,0.00001577973],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002149913,"about_ca_system_score_gemma":0.0003748533,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001187629,"about_ca_topic_score_gemma":0.000005117998,"domain_scores_codex":[0.9991323,0.00006640924,0.0002734344,0.0001208468,0.0002291025,0.0001778968],"domain_scores_gemma":[0.9985964,0.00007937128,0.0003626495,0.0003246594,0.0005150775,0.0001219013],"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":[0.00002243429,0.0003823211,0.0008805308,0.00001142928,0.000207461,0.000003635404,0.0007268353,0.0006318418,0.006998322,0.9706462,0.002604601,0.01688438],"study_design_scores_gemma":[0.001511654,0.0002226095,0.0002046975,0.0001727101,0.0001726607,0.00003376115,0.0006337722,0.003298563,0.04761352,0.9299898,0.01581017,0.000336109],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.4355262,0.0002625995,0.5617247,0.0007964426,0.0001562992,0.0000982925,0.00002545017,0.00001159714,0.001398403],"genre_scores_gemma":[0.9954242,0.00004019513,0.003790874,0.00007421218,0.0005090967,0.000004075953,0.00002468,0.00002236931,0.0001102621],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.5598981,"threshold_uncertainty_score":0.477711,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02834073360032655,"score_gpt":0.2521839848382497,"score_spread":0.2238432512379232,"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."}}