{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"c01144bc243085548a8f49c85acb1351c950743890905389204bea11b55f3595","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"c3388b3e716ff5fe9e264c4246396bbbdb4ab39f29332c25e4d6cc826d78a705","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.hubbard-mott","field":"cm","n":"1","review_cite":"M. Qin, T. Schaefer, S. Andergassen, P. Corboz, E. Gull, The Hubbard model: a computational perspective, Annual Review of Condensed Matter Physics, 2022","review_link":"https://doi.org/10.1146/annurev-conmatphys-090921-033948","review_verified":"true","summary":"The Hubbard model is the simplest picture of electrons hopping between atoms and repelling each other when two occupy the same atom. At one electron per atom strong repulsion freezes the electrons in place (a Mott insulator), and what happens when electrons are added or removed is unsolved.","title":"Mott physics and the Hubbard model ground state","topic_ref":null,"why":"If the doped Hubbard model superconducts with d-wave symmetry, electron repulsion alone suffices to explain cuprate-like superconductivity."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"c72f37399f69cded53ebd299920fa33be67ae1baf0e499d87c1962d53668d71d","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"e24c711b4ff4978a48e66323b26020d72bd9bb4e3ca05f1aa84d1d3ce850edba","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"t0TUlq5WfmyU9FmjL0CGqqFMzA3E-ZEKzLC3MjWOfN-qDn79k_rK0QReDh56fVFEobNc3EqVCoZIYZBXJMKEBg"},"schema":"pubphys.envelope/1"},"record_hash":"c72f37399f69cded53ebd299920fa33be67ae1baf0e499d87c1962d53668d71d","leaf_index":142}