{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"059b7dbf57c6aea8f683b059af44dd66d79e5bcfa6fb5c34257565b6e37d2747","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"b4d2beeb4d295ff41e2f762fa233f24dea2cc6308746dbe7ae635cbdb5519d5b","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.frustrated-heisenberg","field":"cm","n":"1","review_cite":"R. Moessner, A. P. Ramirez, Geometrical frustration, Physics Today, 2006","review_link":"https://doi.org/10.1063/1.2186278","review_verified":"true","summary":"When competing couplings prevent spins from satisfying every bond, many arrangements have nearly the same energy. Quantum or thermal fluctuations can then pick one of them (order by disorder), or melt order completely.","title":"Frustrated Heisenberg models and order by disorder","topic_ref":null,"why":"These models are the standard tests for numerical methods and for how fluctuations select or destroy order."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"6b18b6294fc58cb8af2a2e06f7fa3f96d6f9c597e8ea928061976871624c524e","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"5bc99ec85d48151ac4a658046d96d574b08ccd6be2af52dfce345b70acfeb96f","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"379Qrp8o6RzrZ3Xh7Ud3P0rVE4MUCFq_R35-EpEhI-lXNLjq89SUZE1dhtU6k3xZN-ew6_7avoB-wt0HJPVfBQ"},"schema":"pubphys.envelope/1"},"record_hash":"6b18b6294fc58cb8af2a2e06f7fa3f96d6f9c597e8ea928061976871624c524e","leaf_index":137}