{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:JQY2FPPFBIDYYCA4VQNJRUPBZJ","short_pith_number":"pith:JQY2FPPF","schema_version":"1.0","canonical_sha256":"4c31a2bde50a078c081cac1a98d1e1ca6bdbb8b1766ee4a124a5ce9daf007ff6","source":{"kind":"arxiv","id":"2008.08209","version":2},"attestation_state":"computed","paper":{"title":"Strong Superexchange in a $d^{9-{\\delta}}$ Nickelate Revealed by Resonant Inelastic X-Ray Scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. C. Walters, A. Nag, A. S. Botana, D. G. Mazzone, D. Meyers, G. Fabbris, H. Miao, I. Jarrige, J. Feng, J. F. Mitchell, J. Pelliciari, J. Q. Lin, Junjie Zhang, J. W. Freeland, Ke-Jin Zhou, M. Garcia-Fernandez, M. P. M. Dean, M. R. Norman, P. Villar Arribi, S. G. Chiuzbaian, V. Bisogni, X. Liu, Y. Shen","submitted_at":"2020-08-19T00:44:21Z","abstract_excerpt":"The discovery of superconductivity in a $d^{9-{\\delta}}$ nickelate has inspired disparate theoretical perspectives regarding the essential physics of this class of materials. A key issue is the magnitude of the magnetic superexchange, which relates to whether cuprate-like high-temperature nickelate superconductivity could be realized. We address this question using Ni L-edge and O K-edge spectroscopy of the reduced trilayer nickelate $d^{9-1/3}$ La4Ni3O8 and associated theoretical modeling. A magnon energy scale of ~80 meV resulting from a nearest-neighbor magnetic exchange of $J = 69(4)4$ meV"},"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":"2008.08209","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-08-19T00:44:21Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"747630a05ae81f7b62cca6add076f0856bab71183f4f0363744d03a25a62d306","abstract_canon_sha256":"2295051bab45dc06bfba0234797abea4fd74c6e8c366d9039a48d69f969c8876"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:18:17.390035Z","signature_b64":"oW/Xv9Ufoq+x+rqOolpdM+UPUdxVR93GnWq1CAeLzzSyQFJE8+xFRAsHvqiY617kdSeY60Ye38C9fmD5oFUxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c31a2bde50a078c081cac1a98d1e1ca6bdbb8b1766ee4a124a5ce9daf007ff6","last_reissued_at":"2026-07-05T02:18:17.389616Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:18:17.389616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strong Superexchange in a $d^{9-{\\delta}}$ Nickelate Revealed by Resonant Inelastic X-Ray Scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. C. Walters, A. Nag, A. S. Botana, D. G. Mazzone, D. Meyers, G. Fabbris, H. Miao, I. Jarrige, J. Feng, J. F. Mitchell, J. Pelliciari, J. Q. Lin, Junjie Zhang, J. W. Freeland, Ke-Jin Zhou, M. Garcia-Fernandez, M. P. M. Dean, M. R. Norman, P. Villar Arribi, S. G. Chiuzbaian, V. Bisogni, X. Liu, Y. Shen","submitted_at":"2020-08-19T00:44:21Z","abstract_excerpt":"The discovery of superconductivity in a $d^{9-{\\delta}}$ nickelate has inspired disparate theoretical perspectives regarding the essential physics of this class of materials. A key issue is the magnitude of the magnetic superexchange, which relates to whether cuprate-like high-temperature nickelate superconductivity could be realized. We address this question using Ni L-edge and O K-edge spectroscopy of the reduced trilayer nickelate $d^{9-1/3}$ La4Ni3O8 and associated theoretical modeling. A magnon energy scale of ~80 meV resulting from a nearest-neighbor magnetic exchange of $J = 69(4)4$ meV"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.08209","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/2008.08209/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":"2008.08209","created_at":"2026-07-05T02:18:17.389681+00:00"},{"alias_kind":"arxiv_version","alias_value":"2008.08209v2","created_at":"2026-07-05T02:18:17.389681+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.08209","created_at":"2026-07-05T02:18:17.389681+00:00"},{"alias_kind":"pith_short_12","alias_value":"JQY2FPPFBIDY","created_at":"2026-07-05T02:18:17.389681+00:00"},{"alias_kind":"pith_short_16","alias_value":"JQY2FPPFBIDYYCA4","created_at":"2026-07-05T02:18:17.389681+00:00"},{"alias_kind":"pith_short_8","alias_value":"JQY2FPPF","created_at":"2026-07-05T02:18:17.389681+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/JQY2FPPFBIDYYCA4VQNJRUPBZJ","json":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ.json","graph_json":"https://pith.science/api/pith-number/JQY2FPPFBIDYYCA4VQNJRUPBZJ/graph.json","events_json":"https://pith.science/api/pith-number/JQY2FPPFBIDYYCA4VQNJRUPBZJ/events.json","paper":"https://pith.science/paper/JQY2FPPF"},"agent_actions":{"view_html":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ","download_json":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ.json","view_paper":"https://pith.science/paper/JQY2FPPF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2008.08209&json=true","fetch_graph":"https://pith.science/api/pith-number/JQY2FPPFBIDYYCA4VQNJRUPBZJ/graph.json","fetch_events":"https://pith.science/api/pith-number/JQY2FPPFBIDYYCA4VQNJRUPBZJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ/action/storage_attestation","attest_author":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ/action/author_attestation","sign_citation":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ/action/citation_signature","submit_replication":"https://pith.science/pith/JQY2FPPFBIDYYCA4VQNJRUPBZJ/action/replication_record"}},"created_at":"2026-07-05T02:18:17.389681+00:00","updated_at":"2026-07-05T02:18:17.389681+00:00"}