{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:D3E42V6XPM65YXAILZFN6ICYJW","short_pith_number":"pith:D3E42V6X","schema_version":"1.0","canonical_sha256":"1ec9cd57d77b3ddc5c085e4adf20584d8aa0f9813e154c2cab880a64083f53b4","source":{"kind":"arxiv","id":"1707.02626","version":1},"attestation_state":"computed","paper":{"title":"Signatures of pairing in the magnetic excitation spectrum of strongly correlated ladders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A. Nocera, E. Dagotto, G. Alvarez, N. D. Patel","submitted_at":"2017-07-09T19:15:40Z","abstract_excerpt":"Magnetic interactions are widely believed to play a crucial role in the microscopic mechanism leading to high critical temperature superconductivity. It is therefore important to study the signatures of pairing in the magnetic excitation spectrum of simple models known to show unconventional superconducting tendencies. Using the Density Matrix Renormalization Group technique, we calculate the dynamical spin structure factor $S({\\bf k},\\omega)$ of a generalized $t-U-J$ Hubbard model away from half-filling in a two-leg ladder geometry. The addition of $J$ enhances pairing tendencies. We analyze "},"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":"1707.02626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-07-09T19:15:40Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"49870c552d8f654b0b33cd64d0757d323ad448a42929bd896094c18be13ea1f2","abstract_canon_sha256":"29bb860d95dcf9619cf3ee9dc02e5c31c1d3dc7b5c50c90e0286077422651efa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:55.125056Z","signature_b64":"/0QCBn/Qr8ZMFPupseyRI9bEL1hZlkEspHaMLjRNYLfxnFd+NouGKMbt6D8oEVaDd9vxSJtqk68YbXK4Bp7VCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ec9cd57d77b3ddc5c085e4adf20584d8aa0f9813e154c2cab880a64083f53b4","last_reissued_at":"2026-05-18T00:29:55.124532Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:55.124532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Signatures of pairing in the magnetic excitation spectrum of strongly correlated ladders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A. Nocera, E. Dagotto, G. Alvarez, N. D. Patel","submitted_at":"2017-07-09T19:15:40Z","abstract_excerpt":"Magnetic interactions are widely believed to play a crucial role in the microscopic mechanism leading to high critical temperature superconductivity. It is therefore important to study the signatures of pairing in the magnetic excitation spectrum of simple models known to show unconventional superconducting tendencies. Using the Density Matrix Renormalization Group technique, we calculate the dynamical spin structure factor $S({\\bf k},\\omega)$ of a generalized $t-U-J$ Hubbard model away from half-filling in a two-leg ladder geometry. The addition of $J$ enhances pairing tendencies. We analyze "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.02626","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":"1707.02626","created_at":"2026-05-18T00:29:55.124609+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.02626v1","created_at":"2026-05-18T00:29:55.124609+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.02626","created_at":"2026-05-18T00:29:55.124609+00:00"},{"alias_kind":"pith_short_12","alias_value":"D3E42V6XPM65","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_16","alias_value":"D3E42V6XPM65YXAI","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_8","alias_value":"D3E42V6X","created_at":"2026-05-18T12:31:10.602751+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/D3E42V6XPM65YXAILZFN6ICYJW","json":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW.json","graph_json":"https://pith.science/api/pith-number/D3E42V6XPM65YXAILZFN6ICYJW/graph.json","events_json":"https://pith.science/api/pith-number/D3E42V6XPM65YXAILZFN6ICYJW/events.json","paper":"https://pith.science/paper/D3E42V6X"},"agent_actions":{"view_html":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW","download_json":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW.json","view_paper":"https://pith.science/paper/D3E42V6X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.02626&json=true","fetch_graph":"https://pith.science/api/pith-number/D3E42V6XPM65YXAILZFN6ICYJW/graph.json","fetch_events":"https://pith.science/api/pith-number/D3E42V6XPM65YXAILZFN6ICYJW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW/action/storage_attestation","attest_author":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW/action/author_attestation","sign_citation":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW/action/citation_signature","submit_replication":"https://pith.science/pith/D3E42V6XPM65YXAILZFN6ICYJW/action/replication_record"}},"created_at":"2026-05-18T00:29:55.124609+00:00","updated_at":"2026-05-18T00:29:55.124609+00:00"}