{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001227291,0.0001538381,0.0001617193,0.0001520149,0.0001421746,0.0002478122,0.0003178504,0.0002582991,0.001039224],"category_scores_gemma":[0.0002309253,0.0001467596,0.0001028962,0.0001556576,0.0005160366,0.0002361777,0.0003507192,0.0003385124,0.00009591838],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002456693,"about_ca_system_score_gemma":0.0001174455,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003139733,"about_ca_topic_score_gemma":0.0005935921,"domain_scores_codex":[0.9999048,0.00001026167,0.000003238217,0.00002630921,0.00003687892,0.000018617],"domain_scores_gemma":[0.9997841,0.0001332152,0.0000403481,0.00001519329,0.00001068911,0.00001643054],"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":[0.0001521666,0.00003007572,0.001092847,0.00007150866,0.00001288247,0.0004494921,0.0001868621,0.00069107,0.9942209,0.0008325055,0.00005272502,0.002206996],"study_design_scores_gemma":[0.00004148947,0.0002173271,0.009286193,0.0000185053,0.00001498139,0.0003158013,0.0001855171,0.01767801,0.9709428,0.000444225,0.0008298701,0.00002531464],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981047,0.0001304615,0.001129141,0.00004146474,0.000008999283,0.000003612029,0.0000179842,0.00001275107,0.0005508914],"genre_scores_gemma":[0.9986153,0.00008374192,0.0007830726,0.00001572531,0.000003444356,0.000005413552,0.00001252302,0.000004357892,0.0004763615],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001039224,"threshold_uncertainty_score":0.00347662,"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."}}