{"id":"W2022980174","doi":"10.1103/physrevb.77.125329","title":"Exponential decay in a spin bath","year":2008,"lang":"en","type":"article","venue":"Physical Review B","topic":"Quantum and electron transport phenomena","field":"Physics and Astronomy","cited_by":79,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"National Science Foundation","keywords":"Free induction decay; Physics; Spins; Exponential decay; Coherence (philosophical gambling strategy); Exponential function; Spin polarization; Spin (aerodynamics); Electron; Quantum decoherence; Heteronuclear molecule; Quantum mechanics; Condensed matter physics; Spin echo; Quantum; Mathematics","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":[0.00006788671,0.0001336587,0.0003330351,0.00001946927,0.00004399869,0.000004175968,0.0001244043,0.000008407098,0.0004703643],"category_scores_gemma":[0.000001135877,0.0001125987,0.0001637512,0.0002031912,0.00003632407,0.00008675544,0.00001299627,0.000167736,0.000296783],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001177788,"about_ca_system_score_gemma":0.00004088227,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007112336,"about_ca_topic_score_gemma":0.000002063121,"domain_scores_codex":[0.9991325,0.00003282204,0.0002028403,0.000204042,0.0001350908,0.0002926899],"domain_scores_gemma":[0.9996581,0.0000213111,0.00004526021,0.0001786116,0.00001375371,0.00008293836],"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":[0.00006630029,0.004073928,0.07110585,0.001171466,0.0001546937,0.00006892747,0.00124522,0.00003382904,0.01202717,0.8109394,0.006928211,0.09218497],"study_design_scores_gemma":[0.009657729,0.001336054,0.2528333,0.00876085,0.0007135372,0.00002901537,0.000148496,0.00261114,0.06067745,0.1733207,0.484224,0.005687744],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9662907,0.005637447,0.0006559079,0.0002349259,0.00004574178,0.0002663751,0.000006681936,0.0000249377,0.02683735],"genre_scores_gemma":[0.9982542,0.001110557,0.00002234033,0.0001795553,0.0002539724,0.00005723368,0.00002406301,0.00001273418,0.00008534986],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6376187,"threshold_uncertainty_score":0.5150159,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01568260835828175,"score_gpt":0.2822896951897549,"score_spread":0.2666070868314732,"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."}}