{"id":"W4411029084","doi":"10.1063/5.0269800","title":"Impulsive excitation of squeezed phonons in single crystal germanium by an x-ray laser","year":2025,"lang":"en","type":"article","venue":"Applied Physics Letters","topic":"Force Microscopy Techniques and Applications","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Chemical Sciences, Geosciences, and Biosciences Division; Basic Energy Sciences","keywords":"Germanium; Phonon; Germanium compounds; Laser; Excitation; X-ray; Materials science; Single crystal; Crystal (programming language); Optics; Atomic physics; Optoelectronics; Condensed matter physics; Physics; Silicon; Nuclear magnetic resonance","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":[0.00004639414,0.000148377,0.0001856578,0.00005253189,0.0000595681,0.00002763448,0.0001664256,0.00003280696,0.00002958849],"category_scores_gemma":[2.386669e-7,0.0001663508,0.00006206138,0.0003024035,0.00007894084,0.0001000026,0.00003886718,0.0001331042,0.000006523119],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003792297,"about_ca_system_score_gemma":0.0000235515,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002437752,"about_ca_topic_score_gemma":0.000003238225,"domain_scores_codex":[0.9992236,0.00001575238,0.0002352021,0.000249231,0.00007712931,0.0001990846],"domain_scores_gemma":[0.9995257,0.00003438891,0.0001150946,0.0002683251,0.00002602193,0.00003042876],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00001409235,0.0002725649,0.0003280705,0.00001024606,0.00001982088,7.452886e-8,0.0002560772,0.000511751,0.9504907,0.04140379,0.005130268,0.001562583],"study_design_scores_gemma":[0.0007245542,0.00002305778,0.0005601887,0.00002286085,0.00002548735,2.485108e-8,0.0003036841,0.0001840755,0.9892383,0.006045566,0.002639818,0.0002324462],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8488507,0.000002787409,0.1425072,0.0002069661,0.00002714177,0.0003689214,0.00009459905,0.00003605199,0.007905674],"genre_scores_gemma":[0.9969829,3.982706e-7,0.001777879,0.000523337,0.00006401486,0.000184751,0.0003823773,0.00001870875,0.00006558192],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1481323,"threshold_uncertainty_score":0.678359,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004947513841118532,"score_gpt":0.2428266564191011,"score_spread":0.2378791425779826,"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."}}