{"id":"W4399142337","doi":"10.1088/1475-7516/2024/05/118","title":"Static sphere observers and geodesics in Schwarzschild-de Sitter spacetime","year":2024,"lang":"en","type":"article","venue":"Journal of Cosmology and Astroparticle Physics","topic":"Black Holes and Theoretical Physics","field":"Physics and Astronomy","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Sciences and Engineering Research Council of Canada; Nederlandse Organisatie voor Wetenschappelijk Onderzoek","keywords":"Physics; Schwarzschild radius; De Sitter universe; Geodesic; de Sitter invariant special relativity; Mathematical physics; de Sitter–Schwarzschild metric; De Sitter space; Spacetime; Schwarzschild geodesics; Photon sphere; Classical mechanics; Theoretical physics; Quantum electrodynamics; Universe; Astronomy; Quantum mechanics; Kerr metric; Geometry","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"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":[0.0007683061,0.0003577743,0.0002483328,0.0009008157,0.0004501221,0.0007500584,0.0004077472,0.000514556,0.002369501],"category_scores_gemma":[0.002351284,0.00020377,0.0003073719,0.0004203035,0.001858759,0.001790155,0.0006388251,0.0003490166,0.0001252288],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005514895,"about_ca_system_score_gemma":0.0003065986,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001408927,"about_ca_topic_score_gemma":0.0007884364,"domain_scores_codex":[0.9998498,0.00005393774,0.00000827648,0.00002499307,0.00003350824,0.00002958107],"domain_scores_gemma":[0.9990941,0.000233171,0.0003398559,0.000100938,0.0000830922,0.0001487048],"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":[0.0001900024,0.00003300587,0.005842587,0.00003503539,0.00002044634,0.0006752986,0.001011988,0.02133758,0.01750374,0.950191,0.0001943235,0.002965064],"study_design_scores_gemma":[0.0001335626,0.0004073003,0.030741,0.00004841361,0.00004603339,0.0007891555,0.001058108,0.3493415,0.007309414,0.6080779,0.001950387,0.00009728821],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9829026,0.00007504976,0.01239971,0.00007552478,0.000006946354,0.000008766431,0.00001671762,0.00003330668,0.004481447],"genre_scores_gemma":[0.9974219,0.00003877433,0.001986716,0.000005777725,0.000005660708,0.000004521692,0.00001585252,0.000007425647,0.0005133995],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002369501,"threshold_uncertainty_score":0.007926762,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006564923687598873,"score_gpt":0.2392766096151371,"score_spread":0.2327116859275382,"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."}}