{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:CEJW6ZD3TPIDM46Y73C5IH7HLF","short_pith_number":"pith:CEJW6ZD3","schema_version":"1.0","canonical_sha256":"11136f647b9bd03673d8fec5d41fe7597526120f479bd3ce6f735a899c45d45f","source":{"kind":"arxiv","id":"cond-mat/9704210","version":1},"attestation_state":"computed","paper":{"title":"Electronic structure and magnetic properties of the linear chain cuprates Sr_2CuO_3 and Ca_2CuO_3","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"H. Eschrig, H. Rosner, J. Malek, R. Hayn, S.-L. Drechsler","submitted_at":"1997-04-25T15:50:21Z","abstract_excerpt":"Sr_2CuO_3 and Ca_2CuO_3 are considered to be model systems of strongly anisotropic, spin-1/2 Heisenberg antiferromagnets. We report on the basis of a band-structure analysis within the local density approximation and on the basis of available experimental data a careful analysis of model parameters for extended Hubbard and Heisenberg models. Both insulating compounds show half-filled nearly one-dimensional antibonding bands within the LDA. That indicates the importance of strong on-site correlation effects. The bonding bands of Ca_2CuO_3 are shifted downwards by 0.7 eV compared with Sr_2CuO_3,"},"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":"cond-mat/9704210","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1997-04-25T15:50:21Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"118902dab8c1aeda0053a2e941b7b719c9992b263d8cd147f845c8a6fb632d26","abstract_canon_sha256":"e30cd8cb74919be1b7cdea9bc48da7a789df40c941259350a5ed7e76798636ad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:03:49.447445Z","signature_b64":"oqRu0E8BiOOytXwC6gQ22IWhyoGeiGr6F7WBkHvg5s2D6mzaTIkhWps1mnaJGMcOJOeBdW9jI0v6ESHuyNXzBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11136f647b9bd03673d8fec5d41fe7597526120f479bd3ce6f735a899c45d45f","last_reissued_at":"2026-07-04T16:03:49.447055Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:03:49.447055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electronic structure and magnetic properties of the linear chain cuprates Sr_2CuO_3 and Ca_2CuO_3","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"H. Eschrig, H. Rosner, J. Malek, R. Hayn, S.-L. Drechsler","submitted_at":"1997-04-25T15:50:21Z","abstract_excerpt":"Sr_2CuO_3 and Ca_2CuO_3 are considered to be model systems of strongly anisotropic, spin-1/2 Heisenberg antiferromagnets. We report on the basis of a band-structure analysis within the local density approximation and on the basis of available experimental data a careful analysis of model parameters for extended Hubbard and Heisenberg models. Both insulating compounds show half-filled nearly one-dimensional antibonding bands within the LDA. That indicates the importance of strong on-site correlation effects. The bonding bands of Ca_2CuO_3 are shifted downwards by 0.7 eV compared with Sr_2CuO_3,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9704210","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/9704210/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":"cond-mat/9704210","created_at":"2026-07-04T16:03:49.447114+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9704210v1","created_at":"2026-07-04T16:03:49.447114+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9704210","created_at":"2026-07-04T16:03:49.447114+00:00"},{"alias_kind":"pith_short_12","alias_value":"CEJW6ZD3TPID","created_at":"2026-07-04T16:03:49.447114+00:00"},{"alias_kind":"pith_short_16","alias_value":"CEJW6ZD3TPIDM46Y","created_at":"2026-07-04T16:03:49.447114+00:00"},{"alias_kind":"pith_short_8","alias_value":"CEJW6ZD3","created_at":"2026-07-04T16:03:49.447114+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/CEJW6ZD3TPIDM46Y73C5IH7HLF","json":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF.json","graph_json":"https://pith.science/api/pith-number/CEJW6ZD3TPIDM46Y73C5IH7HLF/graph.json","events_json":"https://pith.science/api/pith-number/CEJW6ZD3TPIDM46Y73C5IH7HLF/events.json","paper":"https://pith.science/paper/CEJW6ZD3"},"agent_actions":{"view_html":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF","download_json":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF.json","view_paper":"https://pith.science/paper/CEJW6ZD3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/9704210&json=true","fetch_graph":"https://pith.science/api/pith-number/CEJW6ZD3TPIDM46Y73C5IH7HLF/graph.json","fetch_events":"https://pith.science/api/pith-number/CEJW6ZD3TPIDM46Y73C5IH7HLF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF/action/storage_attestation","attest_author":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF/action/author_attestation","sign_citation":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF/action/citation_signature","submit_replication":"https://pith.science/pith/CEJW6ZD3TPIDM46Y73C5IH7HLF/action/replication_record"}},"created_at":"2026-07-04T16:03:49.447114+00:00","updated_at":"2026-07-04T16:03:49.447114+00:00"}