{"paper":{"title":"Graviphoton mixing with KK modes in the 2D effective theory of charged black holes","arxiv_id":"2610.29068","primary_cat":"hep-th","submitted_at":"2026-10-21T01:47:01+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. No sentence in this record was written by a language model.","schema":"pith.compiled-record/v0","status":"compiled","abstract":{"source":"arXiv listing abstract v1","sentences":[{"i":0,"p":0.95,"id":"s0","own":true,"role":"contribution","text":"We study the effects of massive Kaluza--Klein modes on the two-dimensional low-energy effective theory obtained by the $S^2$ reduction of four-dimensional Einstein--Maxwell theory on a Reissner--Nordstr\\\"om black hole background.","hedge":{"p":0.92,"label":"asserted"},"own_p":0.89,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.24,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.0,"background":0.04,"limitation":0.0,"future_work":0.0,"contribution":0.95,"interpretation":0.0}},{"i":1,"p":0.81,"id":"s1","own":true,"role":"method","text":"We retain the first excited ($l=1$) Maxwell Kaluza--Klein modes in addition to the massless sector.","hedge":{"p":0.96,"label":"asserted"},"own_p":0.92,"main_claim_p":0.04,"quantitative":true,"quantitative_p":0.64,"role_probabilities":{"gap":0.0,"method":0.81,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.19,"interpretation":0.0}},{"i":2,"p":0.99,"id":"s2","own":true,"role":"result","text":"The background electric flux mixes the Maxwell Kaluza--Klein scalars with the graviphotons, and tree-level exchange of the massive scalars generates a correction to the graviphoton kinetic term proportional to the square of the black hole charge.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.85,"main_claim_p":0.39,"quantitative":false,"quantitative_p":0.15,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.99,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":3,"p":0.97,"id":"s3","own":true,"role":"result","text":"Within the leading local approximation, we also perturbatively evaluate the one-loop correction to the graviphoton kinetic term and find no dependence on the black hole charge.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.12,"quantitative":false,"quantitative_p":0.33,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.97,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.02,"interpretation":0.0}},{"i":4,"p":0.86,"id":"s4","own":true,"role":"result","text":"We find that near extremality, the charge-dependent tree-level correction becomes parametrically comparable to the classical graviphoton kinetic term.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.5,"quantitative":true,"quantitative_p":0.94,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.86,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.14}}]},"compiled":{"main_claim":{"p":0.97,"text":"We find that near extremality, the charge-dependent tree-level correction becomes parametrically comparable to the classical graviphoton kinetic term.","location":"abstract s4","hedge_strength":{"p":1.0,"label":"asserted"}},"provenance":{"route":{"via":"TypeSafe API","model":"classifier-1.13.0","endpoint":"https://api.typesafe.ai/v1/systemone","provider":"TypeSafe"},"packing":"one request per paper","requests":1,"input_tokens":4397,"cost_usd_reported":0.0},"compiled_at":"2026-10-22","bank_version":"abstract-p1-20260923","model_version":"classifier-1.13.0","abstract_states":{"claims_first":0.03,"states_limitation":0.65,"human_participants":0.01,"controlled_comparison":0.06,"randomized_assignment":0.01,"states_quantitative_result":0.22,"compares_with_prior_results":0.24,"mentions_code_or_data_availability":0.01},"evidential_basis":{"p":1.0,"value":"proof or derivation","probabilities":{"argument":0.0,"literature":0.0,"proof_or_derivation":1.0,"analysis_of_existing_data":0.0,"observation_or_experiment":0.0,"simulation_or_computation":0.0}},"contribution_type":{"p":1.0,"value":"theoretical result","probabilities":{"review":0.0,"method_or_tool":0.0,"empirical_study":0.0,"simulation_study":0.0,"theoretical_result":1.0,"dataset_or_benchmark":0.0,"position_or_commentary":0.0}},"contribution_statement":{"p":0.46,"text":"We study the effects of massive Kaluza--Klein modes on the two-dimensional low-energy effective theory obtained by the $S^2$ reduction of four-dimensional Einstein--Maxwell theory on a Reissner--Nordstr\\\"om black hole background.","location":"abstract s0"}},"coverage":{"tier":"abstract","levels_run":["P abstract"],"not_examined":["full text","figures and tables","references and citing sentences","relations to other papers"],"sources_read":["arXiv listing abstract v1"],"levels_not_run":["S sections","T body sentences","C citations","R cross-paper relations"],"sentences_examined":5,"sentences_in_abstract":5},"measured_accuracy":{"url":"https://pith.science/accuracy","measured_on":"2026-10-02","method":"two independent model families labelled a fresh random sample blind; the figure is how often the published label matches their consensus","sentence_role_agreement":0.92,"main_claim_agreement":0.908,"typed_citation_agreement":0.933,"typed_citation_agreement_95_interval":[0.917,0.945],"review_comments_accurate":0.758,"review_comments_accurate_95_interval":[0.684,0.82],"review_caught_admitted_error_found_or_related":0.448}}