{"paper":{"title":"Coherent structures at ion scales in fast solar wind: {\\it Cluster} observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. Walsh, C. Lacombe, D. Perrone, I. Zouganelis, M. Maksimovic, O. Alexandrova, O. W. Roberts, S. Lion","submitted_at":"2017-09-27T17:29:51Z","abstract_excerpt":"We investigate the nature of magnetic turbulent fluctuations, around ion characteristic scales, in a fast solar wind stream, by using {\\it Cluster} data. Contrarily to slow solar wind, where both Alfv\\'enic ($\\delta b_{\\perp} \\gg \\delta b_{\\parallel}$) and compressive ($\\delta b_{\\parallel} \\gg \\delta b_{\\perp}$) coherent structures are observed \\cite[]{per16}, the turbulent cascade of fast solar wind is dominated by Alfv\\'enic structures, namely Alfv\\'en vortices, with small and/or finite compressive part, with the presence also of several current sheets aligned with the local magnetic field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.09644","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","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"}