{"id":"W4317757219","doi":"10.1103/physrevd.107.026015","title":"Spinor representation of the Hamiltonian constraint in 3D loop quantum gravity with a nonzero cosmological constant","year":2023,"lang":"en","type":"article","venue":"Physical review. D/Physical review. D.","topic":"Noncommutative and Quantum Gravity Theories","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute; University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada; Innovation, Science and Economic Development Canada; Institut Périmètre de physique théorique; University of Waterloo; Ontario Ministry of Research, Innovation and Science; Agence Nationale de la Recherche","keywords":"Hamiltonian constraint; Cosmological constant; Spinor; Loop quantum gravity; Hamiltonian (control theory); Physics; Canonical quantization; Mathematical physics; Wheeler–DeWitt equation; Spin foam; Quantum gravity; Hyperboloid; Classical mechanics; Quantum mechanics; Quantum; Mathematics","routes":{"ca_aff":true,"ca_fund":true,"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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0006707347,0.000523049,0.001890698,0.00005982435,0.0001681257,0.00003092447,0.000634406,0.00003530491,0.00004478711],"category_scores_gemma":[0.0003276665,0.0003118703,0.0007560468,0.002223236,0.001084587,0.0001894826,0.0003021581,0.0007353146,0.0001995494],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005274528,"about_ca_system_score_gemma":0.0001887129,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001778199,"about_ca_topic_score_gemma":0.00001382518,"domain_scores_codex":[0.9961242,0.0009833951,0.0008650399,0.0006875034,0.0007123321,0.0006275311],"domain_scores_gemma":[0.9969823,0.001008686,0.0006170413,0.0009620575,0.0002371939,0.000192702],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00009446876,0.001868936,0.1561276,0.003374537,0.0002144225,0.0000308485,0.0003450204,0.00002660999,0.01058437,0.7947443,0.001431039,0.03115779],"study_design_scores_gemma":[0.00189,0.0008715158,0.1014553,0.02409778,0.0009675726,0.00001188368,0.0004204414,0.001857111,0.0128538,0.8498082,0.004388161,0.001378268],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.990752,0.001938491,0.000154343,0.001880041,0.00008311903,0.001888809,0.0001814845,0.00005884955,0.003062862],"genre_scores_gemma":[0.9951268,0.003406987,0.0000756646,0.0007340427,0.0001724205,0.0003190691,0.00009668119,0.00003721705,0.0000311056],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05506382,"threshold_uncertainty_score":0.9999334,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02727281749294195,"score_gpt":0.4192826379821455,"score_spread":0.3920098204892036,"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."}}