{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:KLBLYYCFN2F2JKJ3J32JLZUAHW","short_pith_number":"pith:KLBLYYCF","schema_version":"1.0","canonical_sha256":"52c2bc60456e8ba4a93b4ef495e6803da34e8bc53e4eb06fe374ee3e6872c9d2","source":{"kind":"arxiv","id":"2511.04739","version":2},"attestation_state":"computed","paper":{"title":"Superexchanges and Charge Transfer in the La$_3$Ni$_2$O$_7$ Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Dao-Xin Yao, W\\'ei W\\'u, Yuxun Zhong","submitted_at":"2025-11-06T19:00:02Z","abstract_excerpt":"The recent discovery of ambient-pressure superconductivity with $T_c$ above 40 K in La$_3$Ni$_2$O$_7$ thin films represents a significant advance in the field of nickelate superconductor. Motivated by the experimental reports, here we study an 11-band $d-p$ Hubbard model with tight-binding parameters derived from \\textit{ab initio} calculations, using large scale determinant quantum Monte Carlo and cellular dynamical mean-field theory. Our results reveal that the major superexchange couplings in La$_3$Ni$_2$O$_7$ thin films can be substantially weaker than in the bulk material at 29.5 Gpa. Spe"},"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":"2511.04739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-11-06T19:00:02Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"eeeb52fdbb6b97eb8a9a28e9a0695266e47e8729af2a45d912fb2803a14b7cc7","abstract_canon_sha256":"2417ec1350db6a5996ec8b1c2882f6aa2698752605fce473c4333bdde3139804"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:15:47.077924Z","signature_b64":"hjMuhywnSc6Kr15ghUI6NHr9Ty90VSY/9rLaGo764NjytdvRTaoLn+cF3KGqiP25sK9M8V6LMitqrJ4CyTImCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52c2bc60456e8ba4a93b4ef495e6803da34e8bc53e4eb06fe374ee3e6872c9d2","last_reissued_at":"2026-06-26T01:15:47.077503Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:15:47.077503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superexchanges and Charge Transfer in the La$_3$Ni$_2$O$_7$ Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Dao-Xin Yao, W\\'ei W\\'u, Yuxun Zhong","submitted_at":"2025-11-06T19:00:02Z","abstract_excerpt":"The recent discovery of ambient-pressure superconductivity with $T_c$ above 40 K in La$_3$Ni$_2$O$_7$ thin films represents a significant advance in the field of nickelate superconductor. Motivated by the experimental reports, here we study an 11-band $d-p$ Hubbard model with tight-binding parameters derived from \\textit{ab initio} calculations, using large scale determinant quantum Monte Carlo and cellular dynamical mean-field theory. Our results reveal that the major superexchange couplings in La$_3$Ni$_2$O$_7$ thin films can be substantially weaker than in the bulk material at 29.5 Gpa. Spe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.04739","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/2511.04739/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":"2511.04739","created_at":"2026-06-26T01:15:47.077559+00:00"},{"alias_kind":"arxiv_version","alias_value":"2511.04739v2","created_at":"2026-06-26T01:15:47.077559+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.04739","created_at":"2026-06-26T01:15:47.077559+00:00"},{"alias_kind":"pith_short_12","alias_value":"KLBLYYCFN2F2","created_at":"2026-06-26T01:15:47.077559+00:00"},{"alias_kind":"pith_short_16","alias_value":"KLBLYYCFN2F2JKJ3","created_at":"2026-06-26T01:15:47.077559+00:00"},{"alias_kind":"pith_short_8","alias_value":"KLBLYYCF","created_at":"2026-06-26T01:15:47.077559+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2604.18385","citing_title":"Superconductivity in Ruddlesden-Popper nickelates: a review of recent progress, focusing on thin films","ref_index":179,"is_internal_anchor":true},{"citing_arxiv_id":"2605.03448","citing_title":"Nature of magnetism in bilayer nickelate La3Ni2O7 single crystals","ref_index":22,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW","json":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW.json","graph_json":"https://pith.science/api/pith-number/KLBLYYCFN2F2JKJ3J32JLZUAHW/graph.json","events_json":"https://pith.science/api/pith-number/KLBLYYCFN2F2JKJ3J32JLZUAHW/events.json","paper":"https://pith.science/paper/KLBLYYCF"},"agent_actions":{"view_html":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW","download_json":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW.json","view_paper":"https://pith.science/paper/KLBLYYCF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2511.04739&json=true","fetch_graph":"https://pith.science/api/pith-number/KLBLYYCFN2F2JKJ3J32JLZUAHW/graph.json","fetch_events":"https://pith.science/api/pith-number/KLBLYYCFN2F2JKJ3J32JLZUAHW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW/action/storage_attestation","attest_author":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW/action/author_attestation","sign_citation":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW/action/citation_signature","submit_replication":"https://pith.science/pith/KLBLYYCFN2F2JKJ3J32JLZUAHW/action/replication_record"}},"created_at":"2026-06-26T01:15:47.077559+00:00","updated_at":"2026-06-26T01:15:47.077559+00:00"}