{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:IXXFVO2OIRNYOLQKERRGY27PXG","short_pith_number":"pith:IXXFVO2O","schema_version":"1.0","canonical_sha256":"45ee5abb4e445b872e0a24626c6befb9921cd31635aebb2b4b41e0e6cb93cd65","source":{"kind":"arxiv","id":"1712.03774","version":2},"attestation_state":"computed","paper":{"title":"Theoretical investigation of excitonic magnetism in LaSrCoO$_{4}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. Sotnikov, J. Fern\\'andez Afonso, J. Kune\\v{s}","submitted_at":"2017-12-11T13:57:00Z","abstract_excerpt":"We use the LDA+U approach to search for possible ordered ground states of LaSrCoO$_4$. We find a staggered arrangement of magnetic multipoles to be stable over a broad range of Co $3d$ interaction parameters. This ordered state can be described as a spin-denity-wave-type condensate of $d_{xy} \\otimes d_{x^2-y^2}$ excitons carrying spin $S=1$. Further, we construct an effective strong-coupling model, calculate the exciton dispersion and investigate closing of the exciton gap, which marks the exciton condensation instability. Comparing the layered LaSrCoO$_4$ with its pseudo cubic analog LaCoO$_"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1712.03774","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-12-11T13:57:00Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d3643348fa7c8fe39d594fbd8576e196503bbacb22e4099c619a0e68bd5a526e","abstract_canon_sha256":"f292b4daa9b8e02881558ddb4cf7fc410ec64d05621b5dd4275a09ea789d6b6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:51.887265Z","signature_b64":"Kean+j9rjJXG+4TjnAb32+8xicQJ+POgp6uDdH62fEvAAeB0apIGter4jCHMxj3vDWQxWwIvV8aERd0l3lYOCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45ee5abb4e445b872e0a24626c6befb9921cd31635aebb2b4b41e0e6cb93cd65","last_reissued_at":"2026-05-18T00:20:51.886764Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:51.886764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theoretical investigation of excitonic magnetism in LaSrCoO$_{4}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. Sotnikov, J. Fern\\'andez Afonso, J. Kune\\v{s}","submitted_at":"2017-12-11T13:57:00Z","abstract_excerpt":"We use the LDA+U approach to search for possible ordered ground states of LaSrCoO$_4$. We find a staggered arrangement of magnetic multipoles to be stable over a broad range of Co $3d$ interaction parameters. This ordered state can be described as a spin-denity-wave-type condensate of $d_{xy} \\otimes d_{x^2-y^2}$ excitons carrying spin $S=1$. Further, we construct an effective strong-coupling model, calculate the exciton dispersion and investigate closing of the exciton gap, which marks the exciton condensation instability. Comparing the layered LaSrCoO$_4$ with its pseudo cubic analog LaCoO$_"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03774","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":""},"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":"1712.03774","created_at":"2026-05-18T00:20:51.886840+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.03774v2","created_at":"2026-05-18T00:20:51.886840+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03774","created_at":"2026-05-18T00:20:51.886840+00:00"},{"alias_kind":"pith_short_12","alias_value":"IXXFVO2OIRNY","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_16","alias_value":"IXXFVO2OIRNYOLQK","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_8","alias_value":"IXXFVO2O","created_at":"2026-05-18T12:31:21.493067+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/IXXFVO2OIRNYOLQKERRGY27PXG","json":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG.json","graph_json":"https://pith.science/api/pith-number/IXXFVO2OIRNYOLQKERRGY27PXG/graph.json","events_json":"https://pith.science/api/pith-number/IXXFVO2OIRNYOLQKERRGY27PXG/events.json","paper":"https://pith.science/paper/IXXFVO2O"},"agent_actions":{"view_html":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG","download_json":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG.json","view_paper":"https://pith.science/paper/IXXFVO2O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.03774&json=true","fetch_graph":"https://pith.science/api/pith-number/IXXFVO2OIRNYOLQKERRGY27PXG/graph.json","fetch_events":"https://pith.science/api/pith-number/IXXFVO2OIRNYOLQKERRGY27PXG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG/action/storage_attestation","attest_author":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG/action/author_attestation","sign_citation":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG/action/citation_signature","submit_replication":"https://pith.science/pith/IXXFVO2OIRNYOLQKERRGY27PXG/action/replication_record"}},"created_at":"2026-05-18T00:20:51.886840+00:00","updated_at":"2026-05-18T00:20:51.886840+00:00"}