{"paper":{"title":"The Best Theory of Cosmic Structure Formation is Cold + Hot Dark Matter (CHDM)","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Joel Primack (University of California Santa Cruz)","submitted_at":"1996-10-10T22:22:40Z","abstract_excerpt":"I have been asked to make the case here that CHDM is the best theory of cosmic structure formation, and indeed I believe that it is the best of all those I have considered if the cosmological matter density is near critical and if the expansion rate is not too large (i.e. $h \\equiv H_0/(100 \\kmsMpc) \\lsim 0.6$). I discuss CHDM together with its chief competitor among CDM variants, low-$\\Omega_0$ CDM with a cosmological constant ($\\Lambda$CDM). $\\Lambda$CDM with $\\Omega_0 \\sim 0.3$ has the possible virtue of allowing a higher expansion rate H_0 for a given cosmic age t_0, but the defect of pred"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9610078","kind":"arxiv","version":2},"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"}