{"paper":{"title":"Spectropolarimetric analysis of waves linked to FIP","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Stokes V amplitude asymmetries diagnose Alfvénic waves relevant to FIP bias.","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"M. Murabito, M. Stangalini","submitted_at":"2026-05-13T13:38:11Z","abstract_excerpt":"High-resolution spectropolarimetry has opened new avenues for understanding how chromospheric waves shape coronal plasma composition. All modeling efforts so far highlight wave activity and, in particular, the ponderomotive force associated to Alfv\\'enic perturbations, as a key ingredient. Over recent years, studies based on spectropolarimetric measurements in the solar chromosphere have identified magnetic perturbations associated to waves linked to regions in the corona with enhanced FIP bias. Building on this established framework, the present work explores the diagnostic potential of Stoke"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The present work explores the diagnostic potential of Stokes V amplitude asymmetries as an alternative diagnostic tool for investigating wave behavior relevant to compositional fractionation processes.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That observed Stokes V amplitude asymmetries are primarily caused by the same Alfvénic wave perturbations previously linked to FIP bias, rather than by other gradients or instrumental effects.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Stokes V amplitude asymmetries are proposed as an alternative diagnostic for wave activity linked to FIP bias in the solar corona.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Stokes V amplitude asymmetries diagnose Alfvénic waves relevant to FIP bias.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"d6e8e87948be72b7eff77fba4ff3381652b3d6e188fd825e103bb85fd46c392d"},"source":{"id":"2605.13523","kind":"arxiv","version":1},"verdict":{"id":"f6e2a976-3621-4cf6-b2cd-99398409281e","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T17:55:56.853261Z","strongest_claim":"The present work explores the diagnostic potential of Stokes V amplitude asymmetries as an alternative diagnostic tool for investigating wave behavior relevant to compositional fractionation processes.","one_line_summary":"Stokes V amplitude asymmetries are proposed as an alternative diagnostic for wave activity linked to FIP bias in the solar corona.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That observed Stokes V amplitude asymmetries are primarily caused by the same Alfvénic wave perturbations previously linked to FIP bias, rather than by other gradients or instrumental effects.","pith_extraction_headline":"Stokes V amplitude asymmetries diagnose Alfvénic waves relevant to FIP bias."},"references":{"count":18,"sample":[{"doi":"10.1086/167871","year":1989,"title":"Widing, K. G. & Feldman, U. 1989 Abundance Variations in the Outer Solar Atmosphere Observed in SKYLAB Spectroheliograms.Astrophys. J.,344, 1046. (doi:10.1086/167871)","work_id":"11dba55c-53f2-404c-9539-df37e0d7bdf4","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1086/175326","year":1995,"title":"Sheeley, N. R. 1995 A Volcanic Origin for High-FIP Material in the Solar Atmosphere. Astrophys. J.,440, 884. (doi:10.1086/175326)","work_id":"4a17bb0e-52be-4625-97bd-4541ebe0b8d6","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1086/177792","year":1996,"title":"Sheeley, N. R. 1996 Elemental Abundance Variations in the Solar Atmosphere.Astrophys. J., 469, 423. (doi:10.1086/177792)","work_id":"60d337db-8a08-424a-8509-c3d9ea2cd400","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1086/423780","year":2004,"title":"Laming, J. M. 2004 A Unified Picture of the First Ionization Potential and Inverse First Ionization Potential Effects.Astrophys. J.,614, 2, 1063. (doi:10.1086/423780)","work_id":"d599ea2d-c94c-4414-9a9f-862f548a761a","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1007/lrsp-2015-2","year":2015,"title":"2015 The FIP and Inverse FIP Effects in Solar and Stellar Coronae.Living Reviews in Solar Physics12, 2","work_id":"0a46c07c-686b-4212-b32f-987afcfe689e","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":18,"snapshot_sha256":"327444a12fff10af9e6b0ea80c00e5d873a019c6d938d2744b3634ea7bbdf057","internal_anchors":0},"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"}