{"paper":{"title":"Characteristic Properties of Two Different Viscous Cosmology Models for the Future Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Ben David Normann, Iver Brevik","submitted_at":"2016-12-06T13:10:11Z","abstract_excerpt":"We analyze characteristic properties of two different cosmological models: (i) a one-component dark energy model where the bulk viscosity $\\zeta$ is associated with the fluid as a whole, and (ii) a two-component model where $\\zeta$ is associated with a dark matter component $\\rho_{\\rm m}$ only, the dark energy component considered inviscid. Shear viscosity is omitted. We assume throughout the simple equation of state $p=w\\rho$, with $w$ a constant. In the one-component model we consider two possibilities, either to take $\\zeta$ proportional to the scalar expansion (equivalent to the Hubble par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01794","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"}