{"id":"W1922089220","doi":"10.1103/physreva.83.053636","title":"Birefringent breakup of Dirac fermions on a square optical lattice","year":2011,"lang":"en","type":"article","venue":"Physical Review A","topic":"Cold Atom Physics and Bose-Einstein Condensates","field":"Physics and Astronomy","cited_by":41,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Physics; Dirac fermion; Degenerate energy levels; Fermion; Square lattice; Hamiltonian (control theory); Gapless playback; Optical lattice; Quantum mechanics; Condensed matter physics; Quantum electrodynamics; Ising model","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":[0.0001735122,0.0004425388,0.0004782754,0.0004900514,0.0007535747,0.001003191,0.0006612464,0.000678419,0.001526176],"category_scores_gemma":[0.0002879213,0.0002400464,0.000316727,0.0003044243,0.001972076,0.0008248165,0.0004963218,0.0004807697,0.0001712821],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006604572,"about_ca_system_score_gemma":0.0004700627,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003157743,"about_ca_topic_score_gemma":0.00284982,"domain_scores_codex":[0.9999166,0.00002230111,0.000002696588,0.00001048723,0.00002580744,0.0000220063],"domain_scores_gemma":[0.999873,0.00003243921,0.00002548646,0.00001881084,0.00001522801,0.00003498004],"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":[0.0002500942,0.0001626341,0.0009560243,0.00008052482,0.00002475042,0.0008369324,0.000287951,0.09218062,0.0435507,0.8577614,0.000736679,0.003171575],"study_design_scores_gemma":[0.0003381691,0.0002786607,0.0007060482,0.00002358081,0.00002118188,0.0004299789,0.0002966591,0.7250801,0.008372416,0.2608131,0.003579262,0.00006078942],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9574125,0.0002976499,0.02517105,0.0004490895,0.00009331616,0.00002264037,0.0000435668,0.00005111432,0.01645906],"genre_scores_gemma":[0.9891247,0.0002100965,0.006172629,0.00006616829,0.00002428804,0.00002310184,0.00002808721,0.00001168498,0.004339346],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003157743,"threshold_uncertainty_score":0.006278694,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04385988728939022,"score_gpt":0.30633646205513,"score_spread":0.2624765747657398,"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."}}