{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:4H43TTGKIZUAMY5VGWTOXIGUOJ","short_pith_number":"pith:4H43TTGK","schema_version":"1.0","canonical_sha256":"e1f9b9ccca46680663b535a6eba0d4726454f8c2618603f83ff312d1920e77ef","source":{"kind":"arxiv","id":"0904.2367","version":1},"attestation_state":"computed","paper":{"title":"Ferromagnetic spin-polaron on complex lattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"George A. Sawatzky, Mona Berciu","submitted_at":"2009-04-15T17:57:01Z","abstract_excerpt":"We present a simpler derivation of the exact solution of a spin-polaron in a ferromagnet and generalize it to complex lattices and/or longer range exchange interactions. As a specific example, we analyze a two-dimensional MnO$_2$-like lattice (as in the ferromagnetic layers in LaMnO$_3$) and discuss the properties of the resulting spin-polaron in various regimes. At strong couplings the solution is reminiscent of the Zhang-Rice singlet, however the electronic wavefunction involved in the singlet is dependent on the momentum of the singlet, and multiple bands may appear."},"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":"0904.2367","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-04-15T17:57:01Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"021a5330732c11349003ade9a575b4fd743b5cec1c17a8f81e551d7dc3824d72","abstract_canon_sha256":"7be6f8c2bc1b856e33766637cb410114c304c77a077b542d3e5b8996acc03a24"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:00.075210Z","signature_b64":"ocLNWnAMl/Jk8553egD73onw0asdq+Sldp3Tw/8epG1YFIIYMbDU930Ss0Pp7Wz7u74YAKlR0bIk6kD3qiuHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1f9b9ccca46680663b535a6eba0d4726454f8c2618603f83ff312d1920e77ef","last_reissued_at":"2026-05-18T02:14:00.074390Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:00.074390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ferromagnetic spin-polaron on complex lattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"George A. Sawatzky, Mona Berciu","submitted_at":"2009-04-15T17:57:01Z","abstract_excerpt":"We present a simpler derivation of the exact solution of a spin-polaron in a ferromagnet and generalize it to complex lattices and/or longer range exchange interactions. As a specific example, we analyze a two-dimensional MnO$_2$-like lattice (as in the ferromagnetic layers in LaMnO$_3$) and discuss the properties of the resulting spin-polaron in various regimes. At strong couplings the solution is reminiscent of the Zhang-Rice singlet, however the electronic wavefunction involved in the singlet is dependent on the momentum of the singlet, and multiple bands may appear."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2367","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":"0904.2367","created_at":"2026-05-18T02:14:00.074532+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.2367v1","created_at":"2026-05-18T02:14:00.074532+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2367","created_at":"2026-05-18T02:14:00.074532+00:00"},{"alias_kind":"pith_short_12","alias_value":"4H43TTGKIZUA","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"4H43TTGKIZUAMY5V","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"4H43TTGK","created_at":"2026-05-18T12:25:58.837520+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/4H43TTGKIZUAMY5VGWTOXIGUOJ","json":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ.json","graph_json":"https://pith.science/api/pith-number/4H43TTGKIZUAMY5VGWTOXIGUOJ/graph.json","events_json":"https://pith.science/api/pith-number/4H43TTGKIZUAMY5VGWTOXIGUOJ/events.json","paper":"https://pith.science/paper/4H43TTGK"},"agent_actions":{"view_html":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ","download_json":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ.json","view_paper":"https://pith.science/paper/4H43TTGK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.2367&json=true","fetch_graph":"https://pith.science/api/pith-number/4H43TTGKIZUAMY5VGWTOXIGUOJ/graph.json","fetch_events":"https://pith.science/api/pith-number/4H43TTGKIZUAMY5VGWTOXIGUOJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ/action/storage_attestation","attest_author":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ/action/author_attestation","sign_citation":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ/action/citation_signature","submit_replication":"https://pith.science/pith/4H43TTGKIZUAMY5VGWTOXIGUOJ/action/replication_record"}},"created_at":"2026-05-18T02:14:00.074532+00:00","updated_at":"2026-05-18T02:14:00.074532+00:00"}