{"paper":{"title":"Inspiral gravitational waveforms from charged compact binaries with scalar hair","license":"http://creativecommons.org/licenses/by/4.0/","headline":"In Einstein-scalar-Maxwell theories, gravitational waveforms from charged compact binaries deviate from general relativity through a single parameter b that introduces a leading -1 post-Newtonian dipole correction.","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Antonio De Felice, Shinji Tsujikawa","submitted_at":"2026-05-13T05:44:47Z","abstract_excerpt":"We investigate gravitational waveforms from compact binary systems in Einstein-scalar-Maxwell (ESM) theories, where a scalar field $\\phi$ couples to a $U(1)$ gauge field $A_\\mu$ through a field-dependent function $\\mu(\\phi)$. In this framework, compact objects -- black holes (BHs), neutron stars (NSs), and exotic compact objects (ECOs) -- can carry both vector and scalar charges, with the latter arising as secondary hair induced by the former. Modeling the binary as electrically charged point particles with scalar-field-dependent masses, we derive the conservative dynamics in the near zone and"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The deviation from general relativity is characterized by a single parameter b, which controls both amplitude and phase modifications. Dipole radiation sourced by differences in scalar and vector charge-to-mass ratios yields a leading -1 post-Newtonian correction.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"Modeling the binary as electrically charged point particles with scalar-field-dependent masses, with scalar hair treated as secondary and induced solely by the vector charge.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"In Einstein-scalar-Maxwell theories, charged compact binaries produce gravitational waveforms containing a leading -1 post-Newtonian dipole correction controlled by one deviation parameter b.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"In Einstein-scalar-Maxwell theories, gravitational waveforms from charged compact binaries deviate from general relativity through a single parameter b that introduces a leading -1 post-Newtonian dipole correction.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"2149d34514d0b58304658811e089d2788980a03e594d300069065afa86f2e4ee"},"source":{"id":"2605.13036","kind":"arxiv","version":1},"verdict":{"id":"88cbb1e6-f9a8-4665-a8a6-a78eac5dc1f6","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T19:09:47.782024Z","strongest_claim":"The deviation from general relativity is characterized by a single parameter b, which controls both amplitude and phase modifications. Dipole radiation sourced by differences in scalar and vector charge-to-mass ratios yields a leading -1 post-Newtonian correction.","one_line_summary":"In Einstein-scalar-Maxwell theories, charged compact binaries produce gravitational waveforms containing a leading -1 post-Newtonian dipole correction controlled by one deviation parameter b.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"Modeling the binary as electrically charged point particles with scalar-field-dependent masses, with scalar hair treated as secondary and induced solely by the vector charge.","pith_extraction_headline":"In Einstein-scalar-Maxwell theories, gravitational waveforms from charged compact binaries deviate from general relativity through a single parameter b that introduces a leading -1 post-Newtonian dipole correction."},"references":{"count":116,"sample":[{"doi":"","year":null,"title":"in strong-gravity environments, in analogy with the standard spontaneous scalarization mechanism induced by a nonminimal scalar coupling to the Ricci scalar [42]. As an illustrative example, consider ","work_id":"47f87c1c-3088-4f73-849c-efd542634d51","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"III, where the time-domain solutions were derived for a circular orbit with constant angular frequency ω, we take the relative separation r in the x-y plane as given by Eq","work_id":"511c92bd-91e1-49be-ba04-f972df3f06f5","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"The corresponding dipole moment is given by Eq","work_id":"2d2edd6f-c718-4aac-97bb-76e45840c0ed","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2016,"title":"Observation of Gravitational Waves from a Binary Black Hole Merger","work_id":"ab878228-151c-4a29-8026-a4308b076d30","ref_index":4,"cited_arxiv_id":"1602.03837","is_internal_anchor":true},{"doi":"","year":2017,"title":"GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral","work_id":"a19136e8-99c2-49be-b029-60af2e20c6ee","ref_index":5,"cited_arxiv_id":"1710.05832","is_internal_anchor":true}],"resolved_work":116,"snapshot_sha256":"c5e8edc6bd5098eee0fca92922f2998b495e49d382f82bdf4183800e151b48ed","internal_anchors":56},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}