{"paper":{"title":"The QCD crossover at zero and non-zero baryon densities from Lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Patrick Steinbrecher","submitted_at":"2018-07-15T20:25:56Z","abstract_excerpt":"We map out the QCD crossover line $\\frac{T_c(\\mu_B)}{T_c(0)} = 1 - \\kappa_2 \\left( \\frac{\\mu_B}{T_c(0)} \\right)^2 - \\kappa_4 \\left( \\frac{\\mu_B}{T_c(0)} \\right)^4 + \\mathcal{O}(\\mu_B^6)$ for the first time up to $\\mathcal{O}(\\mu_B^4)$ for a strangeness neutral system by performing a Taylor expansion of chiral observables in temperature $T$ and chemical potentials $\\mu$. At vanishing chemical potential, we report a crossover temperature $T_c(0) = (156.5 \\pm 1.5)\\;\\mathrm{MeV}$ defined by the average of several second-order chiral susceptibilities. For a system with thermal conditions appropriat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05607","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"}