{"paper":{"title":"A Matter with an effective EoS interacting with a tachynic field in an accelerating Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"physics.gen-ph","authors_text":"Martiros Khurshudyan","submitted_at":"2012-12-30T10:59:50Z","abstract_excerpt":"We consider a fluid described by a parameterized EoS of the general form $P=(\\gamma-1)\\rho+p_{0}+\\omega_{H}H+\\omega_{H2}H^{2}+\\omega_{dH}\\dot{H}$ \\cite{Ren}, where $p_{0}$, $\\omega_{H}$, $\\omega_{H2}$ and $\\omega_{dH}$ are free parameters of the model, interacting with a Tachyonic field with a relativistic Lagrangian $L_{TF}=-V(\\phi)\\sqrt{1-\\partial_{i}\\phi\\partial^{i}\\phi}$. The acceleration of the Universe described by a scale factor $a(t)=t^{n}, (n>1)$. Under consideration of different forms of interaction the field $\\phi$ and the potential $V(\\phi)$ are recovered and graphical analysis per"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0005","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"}