{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:RIKZSVE6OJPZC4JPMFHJA7ZCAY","short_pith_number":"pith:RIKZSVE6","schema_version":"1.0","canonical_sha256":"8a1599549e725f91712f614e907f22063f7e197a1cbf82a68fc47d13809e20cc","source":{"kind":"arxiv","id":"1908.09224","version":2},"attestation_state":"computed","paper":{"title":"SU(4) Heisenberg model on the honeycomb lattice with exchange-frustrated perturbations: implications for twistronics and Mott insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. C. Andrade, R. G. Pereira, R. Nutakki, W. M. H. Natori","submitted_at":"2019-08-24T22:37:20Z","abstract_excerpt":"The SU(4)-symmetric spin-orbital model on the honeycomb lattice was recently studied in connection to correlated insulators such as the $e_{g}$ Mott insulator Ba$_{3}$CuSb$_{2}$O$_{9}$ and the insulating phase of magic-angle twisted bilayer graphene at quarter filling. Here we provide a unified discussion of these systems by investigating an extended model that includes the effects of Hund's coupling and anisotropic, orbital-dependent exchange interactions. Using a combination of mean-field theory, linear flavor-wave theory, and variational Monte Carlo, we show that this model harbors a quantu"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1908.09224","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-08-24T22:37:20Z","cross_cats_sorted":[],"title_canon_sha256":"9f4383161e439b560b4bd0a6af49b092064931133466bdbdf461eddb8c9d74c3","abstract_canon_sha256":"33b555fb98b71ee4271b4deb67c73a159f23c78f9bdf9b843f5c6ee89827cbdc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:22:03.228816Z","signature_b64":"AZ2+kGFXlUoy2GwhALlKwVwZl1CqYuEH7q27xivV9Qjbf9nCpMwtXzvjjuyyL/Ki0Z5bd8f+qoPdoNIA6geBCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a1599549e725f91712f614e907f22063f7e197a1cbf82a68fc47d13809e20cc","last_reissued_at":"2026-07-05T00:22:03.228262Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:22:03.228262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"SU(4) Heisenberg model on the honeycomb lattice with exchange-frustrated perturbations: implications for twistronics and Mott insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. C. Andrade, R. G. Pereira, R. Nutakki, W. M. H. Natori","submitted_at":"2019-08-24T22:37:20Z","abstract_excerpt":"The SU(4)-symmetric spin-orbital model on the honeycomb lattice was recently studied in connection to correlated insulators such as the $e_{g}$ Mott insulator Ba$_{3}$CuSb$_{2}$O$_{9}$ and the insulating phase of magic-angle twisted bilayer graphene at quarter filling. Here we provide a unified discussion of these systems by investigating an extended model that includes the effects of Hund's coupling and anisotropic, orbital-dependent exchange interactions. Using a combination of mean-field theory, linear flavor-wave theory, and variational Monte Carlo, we show that this model harbors a quantu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.09224","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.09224/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1908.09224","created_at":"2026-07-05T00:22:03.228319+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.09224v2","created_at":"2026-07-05T00:22:03.228319+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.09224","created_at":"2026-07-05T00:22:03.228319+00:00"},{"alias_kind":"pith_short_12","alias_value":"RIKZSVE6OJPZ","created_at":"2026-07-05T00:22:03.228319+00:00"},{"alias_kind":"pith_short_16","alias_value":"RIKZSVE6OJPZC4JP","created_at":"2026-07-05T00:22:03.228319+00:00"},{"alias_kind":"pith_short_8","alias_value":"RIKZSVE6","created_at":"2026-07-05T00:22:03.228319+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY","json":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY.json","graph_json":"https://pith.science/api/pith-number/RIKZSVE6OJPZC4JPMFHJA7ZCAY/graph.json","events_json":"https://pith.science/api/pith-number/RIKZSVE6OJPZC4JPMFHJA7ZCAY/events.json","paper":"https://pith.science/paper/RIKZSVE6"},"agent_actions":{"view_html":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY","download_json":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY.json","view_paper":"https://pith.science/paper/RIKZSVE6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.09224&json=true","fetch_graph":"https://pith.science/api/pith-number/RIKZSVE6OJPZC4JPMFHJA7ZCAY/graph.json","fetch_events":"https://pith.science/api/pith-number/RIKZSVE6OJPZC4JPMFHJA7ZCAY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY/action/storage_attestation","attest_author":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY/action/author_attestation","sign_citation":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY/action/citation_signature","submit_replication":"https://pith.science/pith/RIKZSVE6OJPZC4JPMFHJA7ZCAY/action/replication_record"}},"created_at":"2026-07-05T00:22:03.228319+00:00","updated_at":"2026-07-05T00:22:03.228319+00:00"}