{"id":"W4400040621","doi":"10.2139/ssrn.4877411","title":"Elastic Birefringent Metamaterials and Quarter-Wave Plate","year":2024,"lang":"en","type":"preprint","venue":"SSRN Electronic Journal","topic":"Acoustic Wave Phenomena Research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Birefringence; Metamaterial; Quarter (Canadian coin); Waveplate; Optics; Physics; History; Archaeology; Laser","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001381815,0.0004314495,0.0002505644,0.0005593411,0.000263603,0.0008535165,0.0003409843,0.000619303,0.004898897],"category_scores_gemma":[0.0004553163,0.0002163647,0.0001455654,0.0002532947,0.0006427927,0.0006108263,0.0003958166,0.0004845864,0.0006868198],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000241439,"about_ca_system_score_gemma":0.0001312913,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003289635,"about_ca_topic_score_gemma":0.0002797708,"domain_scores_codex":[0.9999126,0.00002275632,0.000002324649,0.00001613471,0.00003353503,0.00001263644],"domain_scores_gemma":[0.9999043,0.00003903388,0.00001635094,0.0000149986,0.0000124664,0.00001278762],"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":[0.0005507421,0.0001156129,0.0006493795,0.0002207551,0.00002119899,0.0008255871,0.0002735114,0.01484942,0.2199366,0.7274874,0.003826408,0.03124338],"study_design_scores_gemma":[0.0001032933,0.0002271821,0.006279132,0.00005361095,0.00002595529,0.002788944,0.0003482892,0.2345575,0.08340348,0.653371,0.01875842,0.00008311857],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7332348,0.004774394,0.08622667,0.002114809,0.0009470427,0.00004651358,0.0001710285,0.0004410632,0.1720437],"genre_scores_gemma":[0.9236133,0.001218129,0.01207359,0.0001652033,0.0001822394,0.00001491354,0.0001145436,0.00006074673,0.06255739],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004898897,"threshold_uncertainty_score":0.01638848,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01571413548738282,"score_gpt":0.2432248920664941,"score_spread":0.2275107565791113,"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."}}