{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"baa272cc2f9bfbd128c24dca73c59ab205af5a97f1f5ea5c3fa5969314815d75","created":"2026-10-03T07:17:52Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"5362651716f1a453609758e211800abd94ef31974e284f942e8f9e9c5ecc7e06","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"nuc.qcd-phase-diagram","field":"nuc","n":"1","review_cite":"Bzdak, Esumi, Koch, Liao, Stephanov, Xu, Mapping the phases of quantum chromodynamics with beam energy scan, Physics Reports, 2020","review_link":"https://arxiv.org/abs/1906.00936","review_verified":"true","summary":"At zero net baryon density, heating turns ordinary nuclear matter into a quark-gluon plasma smoothly, near $1.8e12\\,\\mathrm{K}$. At higher densities the change may become abrupt, and mapping where this happens is a central goal of the field.","title":"QCD phase diagram at high temperature and density","topic_ref":null,"why":"The phase structure of hot and dense QCD matter fixes the properties of the early universe and of matter in neutron-star mergers."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"8cebfc31c6dfbbabf0b4214c4b9557e92e9b9f0d637fcd43a3fcc8c806d62935","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"671b424c7ad05be9d3d8488adc58c5d5536ffb8d93ca5079d2a7faea848cd00f","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"OI0pvJStwrcjUjgaGgVhMpGjlg4jobQ1iiCxcbMfcC86aGMFa6y6eNlbsjt7TB0FC5XE1m68UOwVSn7AKjNtAA"},"schema":"pubphys.envelope/1"},"record_hash":"8cebfc31c6dfbbabf0b4214c4b9557e92e9b9f0d637fcd43a3fcc8c806d62935","leaf_index":292}