{"id":"W4406898436","doi":"10.1088/1361-6382/adaf6f","title":"Einstein–Klein–Gordon system via Cauchy-characteristic evolution: computation of memory and ringdown tail","year":2025,"lang":"en","type":"article","venue":"Classical and Quantum Gravity","topic":"Quantum chaos and dynamical systems","field":"Physics and Astronomy","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"National Science Foundation","keywords":"Physics; Einstein; Computation; Cauchy distribution; Mathematical physics; Klein–Gordon equation; Theoretical physics; Quantum mechanics; Mathematical analysis; Algorithm; Nonlinear system","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":[0.0001811808,0.0001973542,0.0004634278,0.00006745811,0.0001913839,0.00004632562,0.00007522837,0.00008794933,0.000006790783],"category_scores_gemma":[0.000008783298,0.0001643317,0.0000898002,0.0001723263,0.0002378263,0.00008732238,0.00009378509,0.0001791972,0.000005912763],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004614456,"about_ca_system_score_gemma":0.00004086066,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00085869,"about_ca_topic_score_gemma":0.00001739325,"domain_scores_codex":[0.9987422,0.0001078395,0.0004290187,0.0003431502,0.0001514692,0.0002262913],"domain_scores_gemma":[0.9993411,0.0001126058,0.0001698206,0.0001579667,0.00008354292,0.0001349402],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00008481398,0.0002335719,0.04701962,0.0008620298,0.00009938177,0.000004744198,0.00008896011,0.00002380858,0.005718882,0.92596,0.0001557078,0.01974847],"study_design_scores_gemma":[0.002145429,0.0003443749,0.3607607,0.001010739,0.0002455246,0.00001291222,0.0009052562,0.562692,0.0004765145,0.0693257,0.001426914,0.000653926],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.913174,0.0002482637,0.08449785,0.0002285884,0.0003653172,0.0002253397,0.00005931334,0.00004312047,0.001158246],"genre_scores_gemma":[0.9995503,0.000001971605,0.00004255913,0.00001195727,0.0001411918,0.00001647857,0.00003184378,0.000008930525,0.0001947835],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8566343,"threshold_uncertainty_score":0.6701251,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005885646484599579,"score_gpt":0.2251026174412991,"score_spread":0.2192169709566996,"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."}}