{"paper":{"title":"Observational Constraints on Varying Alpha in $\\Lambda(\\alpha)$CDM Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Dong-Ze Xue, Hao Wei","submitted_at":"2017-06-10T07:18:00Z","abstract_excerpt":"In this work, we consider the so-called $\\Lambda(\\alpha)$CDM cosmology with $\\Lambda\\propto\\alpha^{-6}$ while the fine-structure \"constant\" $\\alpha$ is varying. In this scenario, the accelerated expansion of the universe is driven by the cosmological \"constant\" $\\Lambda$ (equivalently the vacuum energy), and the varying $\\alpha$ is driven by a subdominant scalar field $\\phi$ coupling with the electromagnetic field. The observational constraints on the varying $\\alpha$ and $\\Lambda\\propto\\alpha^{-6}$ models with various couplings $B_F(\\phi)$ between the subdominant scalar field $\\phi$ and the e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.04063","kind":"arxiv","version":3},"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"}