{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:RATB67DPN4VEKE4VNYI3WF4SLM","short_pith_number":"pith:RATB67DP","schema_version":"1.0","canonical_sha256":"88261f7c6f6f2a4513956e11bb17925b20f17e9a1b2c37def12f074a28914719","source":{"kind":"arxiv","id":"1011.6219","version":1},"attestation_state":"computed","paper":{"title":"Antiferromagnetic order in multi-band Hubbard models for iron-pnictides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Florian Gebhard, J\\\"org B\\\"unemann, Tobias Schickling","submitted_at":"2010-11-29T12:54:54Z","abstract_excerpt":"We investigate multi-band Hubbard models for the three iron 3$d$-$t_{2g}$ bands and the two iron 3$d$-$e_g$ bands in ${\\rm La O Fe As}$ by means of the Gutzwiller variational theory. Our analysis of the paramagnetic ground state shows that neither Hartree--Fock mean-field theories nor effective spin models describe these systems adequately. In contrast to Hartree--Fock-type approaches, the Gutzwiller theory predicts that antiferromagnetic order requires substantial values of the local Hund's-rule exchange interaction. For the three-band model, the antiferromagnetic moment fits experimental dat"},"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":"1011.6219","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-11-29T12:54:54Z","cross_cats_sorted":[],"title_canon_sha256":"56c8b940cb038f78e1df4015c8b1d20d6bd8d411dd36439b6c101b7b62792dea","abstract_canon_sha256":"272b6df6a874f541b9da830a4a0df12ba361c4b884544eaaeaedafd96e66176c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:09.346362Z","signature_b64":"/CjUpTecTWUxhN7ivXUCCYc8o/dXSbe0FStHj40CqqHV0g0EvQO3PmD1Kv9D13XPikgO/36Nl9DZFnTw1IQkAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88261f7c6f6f2a4513956e11bb17925b20f17e9a1b2c37def12f074a28914719","last_reissued_at":"2026-05-18T02:41:09.345942Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:09.345942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Antiferromagnetic order in multi-band Hubbard models for iron-pnictides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Florian Gebhard, J\\\"org B\\\"unemann, Tobias Schickling","submitted_at":"2010-11-29T12:54:54Z","abstract_excerpt":"We investigate multi-band Hubbard models for the three iron 3$d$-$t_{2g}$ bands and the two iron 3$d$-$e_g$ bands in ${\\rm La O Fe As}$ by means of the Gutzwiller variational theory. Our analysis of the paramagnetic ground state shows that neither Hartree--Fock mean-field theories nor effective spin models describe these systems adequately. In contrast to Hartree--Fock-type approaches, the Gutzwiller theory predicts that antiferromagnetic order requires substantial values of the local Hund's-rule exchange interaction. For the three-band model, the antiferromagnetic moment fits experimental dat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6219","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1011.6219","created_at":"2026-05-18T02:41:09.346000+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.6219v1","created_at":"2026-05-18T02:41:09.346000+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6219","created_at":"2026-05-18T02:41:09.346000+00:00"},{"alias_kind":"pith_short_12","alias_value":"RATB67DPN4VE","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_16","alias_value":"RATB67DPN4VEKE4V","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_8","alias_value":"RATB67DP","created_at":"2026-05-18T12:26:13.927090+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/RATB67DPN4VEKE4VNYI3WF4SLM","json":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM.json","graph_json":"https://pith.science/api/pith-number/RATB67DPN4VEKE4VNYI3WF4SLM/graph.json","events_json":"https://pith.science/api/pith-number/RATB67DPN4VEKE4VNYI3WF4SLM/events.json","paper":"https://pith.science/paper/RATB67DP"},"agent_actions":{"view_html":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM","download_json":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM.json","view_paper":"https://pith.science/paper/RATB67DP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.6219&json=true","fetch_graph":"https://pith.science/api/pith-number/RATB67DPN4VEKE4VNYI3WF4SLM/graph.json","fetch_events":"https://pith.science/api/pith-number/RATB67DPN4VEKE4VNYI3WF4SLM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM/action/storage_attestation","attest_author":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM/action/author_attestation","sign_citation":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM/action/citation_signature","submit_replication":"https://pith.science/pith/RATB67DPN4VEKE4VNYI3WF4SLM/action/replication_record"}},"created_at":"2026-05-18T02:41:09.346000+00:00","updated_at":"2026-05-18T02:41:09.346000+00:00"}