{"paper":{"title":"On a class of scaling FRW cosmological models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Fabiola Arevalo, Mauricio Cataldo, Paul Minning","submitted_at":"2010-02-18T01:15:39Z","abstract_excerpt":"We study Friedmann-Robertson-Walker cosmological models with matter content composed of two perfect fluids $\\rho_1$ and $\\rho_2$, with barotropic pressure densities $p_1/ \\rho_1=\\omega_1=const$ and $p_2/ \\rho_2=\\omega_2=const$, where one of the energy densities is given by $\\rho_1=C_1 a^\\alpha + C_2 a^\\beta$, with $C_1$, $C_2$, $\\alpha$ and $\\beta$ taking constant values. We solve the field equations by using the conservation equation without breaking it into two interacting parts with the help of a coupling interacting term $Q$. Nevertheless, with the found solution may be associated an inter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.3415","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"}