{"id":"W4407836868","doi":"10.1073/pnas.2420062122","title":"Quantum tunneling and its absence in deep wells and strong magnetic fields","year":2025,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Cold Atom Physics and Bose-Einstein Condensates","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Toronto Metropolitan University","funders":"Princeton University; Simons Foundation; National Science Foundation","keywords":"Quantum tunnelling; Antisymmetric relation; Condensed matter physics; Physics; Ground state; Energy level splitting; Magnetic field; Bound state; Quantum well; Eigenvalues and eigenvectors; Quantum mechanics; Quantum; Mathematical physics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005774466,0.0002963357,0.0005048797,0.0004454937,0.0007248424,0.0008415679,0.0006260709,0.0007233681,0.001150363],"category_scores_gemma":[0.001725224,0.0002951526,0.0003168592,0.0002560196,0.001341867,0.001441854,0.001101659,0.0006835011,0.0001354637],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003120816,"about_ca_system_score_gemma":0.0003556345,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003960529,"about_ca_topic_score_gemma":0.0004238934,"domain_scores_codex":[0.999699,0.00006604727,0.0000157265,0.00004155356,0.00009909499,0.00007850348],"domain_scores_gemma":[0.9991197,0.0003396923,0.0001519802,0.0001519224,0.0001027541,0.0001338778],"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":[0.0004810963,0.0001526295,0.002246428,0.0003269024,0.00005346294,0.0008691894,0.000280962,0.02175835,0.1797389,0.7865781,0.0004461145,0.007067748],"study_design_scores_gemma":[0.0001777719,0.0005190976,0.003975623,0.0001365005,0.0001079189,0.002503987,0.0002777569,0.3857116,0.06894719,0.5346996,0.002841342,0.0001015762],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9598132,0.000536033,0.02524028,0.0001752213,0.00002903925,0.000009733908,0.00005234162,0.00007811318,0.01406602],"genre_scores_gemma":[0.9973169,0.0001010111,0.001947144,0.00001635273,0.000006272676,0.000007596826,0.00001841416,0.000009512555,0.0005767618],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001150363,"threshold_uncertainty_score":0.003848374,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02056845685392308,"score_gpt":0.2817638698850355,"score_spread":0.2611954130311124,"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."}}