{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:WNSFQPR3FC7SADQEYOYHKCJOBN","short_pith_number":"pith:WNSFQPR3","schema_version":"1.0","canonical_sha256":"b364583e3b28bf200e04c3b075092e0b72ea82c9f2825e308e65a214ed59a2cb","source":{"kind":"arxiv","id":"1312.3150","version":1},"attestation_state":"computed","paper":{"title":"New Green function approach describing the ferromagnetic state in the simple Hubbard model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Grzegorz G\\'orski, Jerzy Mizia, Krzysztof Kucab","submitted_at":"2013-12-11T13:07:28Z","abstract_excerpt":"We consider a Hubbard model with occupation dependent hopping integrals. Using the Hartree-Fock (H-F) approximation and the new Green function approach with inter-site kinetic averages included, we analyze the influence of the correlated hopping on ferromagnetic ordering. The influence of correlated hopping on the nonlocal quasiparticle energies and corresponding k-dependent spectral weights is included. In addition we obtain the shift of the spin bands which is a major factor in creating spontaneous ferromagnetism. At some parameters of the model the correlated hopping effect is strong enough"},"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":"1312.3150","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-12-11T13:07:28Z","cross_cats_sorted":[],"title_canon_sha256":"329f143f0f9642e4e39bc89fe299f379c25716338a0988fc33f0f985630e1976","abstract_canon_sha256":"4e6612a99d80d0d4703d2d020758e478501758aa29da36894456c98e31efd8d8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:00.367866Z","signature_b64":"lD+Ti21i6efugyoRCbb/3UKj5XN3r/7xMWzmFGG9sRplMvIjBKVSJh3GVPnlmF0MwP5hVSbptg3BFD/7yD/BBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b364583e3b28bf200e04c3b075092e0b72ea82c9f2825e308e65a214ed59a2cb","last_reissued_at":"2026-05-18T03:05:00.367370Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:00.367370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"New Green function approach describing the ferromagnetic state in the simple Hubbard model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Grzegorz G\\'orski, Jerzy Mizia, Krzysztof Kucab","submitted_at":"2013-12-11T13:07:28Z","abstract_excerpt":"We consider a Hubbard model with occupation dependent hopping integrals. Using the Hartree-Fock (H-F) approximation and the new Green function approach with inter-site kinetic averages included, we analyze the influence of the correlated hopping on ferromagnetic ordering. The influence of correlated hopping on the nonlocal quasiparticle energies and corresponding k-dependent spectral weights is included. In addition we obtain the shift of the spin bands which is a major factor in creating spontaneous ferromagnetism. At some parameters of the model the correlated hopping effect is strong enough"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3150","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":"1312.3150","created_at":"2026-05-18T03:05:00.367453+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.3150v1","created_at":"2026-05-18T03:05:00.367453+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3150","created_at":"2026-05-18T03:05:00.367453+00:00"},{"alias_kind":"pith_short_12","alias_value":"WNSFQPR3FC7S","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_16","alias_value":"WNSFQPR3FC7SADQE","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_8","alias_value":"WNSFQPR3","created_at":"2026-05-18T12:28:04.890932+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/WNSFQPR3FC7SADQEYOYHKCJOBN","json":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN.json","graph_json":"https://pith.science/api/pith-number/WNSFQPR3FC7SADQEYOYHKCJOBN/graph.json","events_json":"https://pith.science/api/pith-number/WNSFQPR3FC7SADQEYOYHKCJOBN/events.json","paper":"https://pith.science/paper/WNSFQPR3"},"agent_actions":{"view_html":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN","download_json":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN.json","view_paper":"https://pith.science/paper/WNSFQPR3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.3150&json=true","fetch_graph":"https://pith.science/api/pith-number/WNSFQPR3FC7SADQEYOYHKCJOBN/graph.json","fetch_events":"https://pith.science/api/pith-number/WNSFQPR3FC7SADQEYOYHKCJOBN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN/action/storage_attestation","attest_author":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN/action/author_attestation","sign_citation":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN/action/citation_signature","submit_replication":"https://pith.science/pith/WNSFQPR3FC7SADQEYOYHKCJOBN/action/replication_record"}},"created_at":"2026-05-18T03:05:00.367453+00:00","updated_at":"2026-05-18T03:05:00.367453+00:00"}