{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OHY3M6AXSDV75WKXIFWA2HXXGE","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"693bd43803b8f00d7a14967847b49f77d1fb06a43c07c3b4e27fba5b6e4e3cc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-03-09T02:29:51Z","title_canon_sha256":"7c90a14acfd53996c4879bb21867ece09ab2472c3b19eefc8fd78ffa44297278"},"schema_version":"1.0","source":{"id":"1003.1770","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1770","created_at":"2026-05-18T04:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1770v3","created_at":"2026-05-18T04:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1770","created_at":"2026-05-18T04:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"OHY3M6AXSDV7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OHY3M6AXSDV75WKX","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OHY3M6AX","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:56377d086d50e366638fd4a6e7175386462c6d8f78151348317d27ce82808435","target":"graph","created_at":"2026-05-18T04:42:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In order to explore the reason why the single-layered cuprates, La$_{2-x}$(Sr/Ba)$_x$CuO$_4$ ($T_c\\simeq$ 40K) and HgBa$_2$CuO$_{4+\\delta}$ ($T_c\\simeq$ 90K), have such a significant difference in $T_c$, we study a two-orbital model that incorporates the $d_{z^2}$ orbital on top of the $d_{x^2-y^2}$ orbital. It is found, with the fluctuation exchange approximation, that the $d_{z^2}$ orbital contribution to the Fermi surface, which is stronger in the La system, works against d-wave superconductivity, thereby dominating over the effect of the Fermi surface shape. The result resolves the long-st","authors_text":"Hideo Aoki, Hidetomo Usui, Hirofumi Sakakibara, Kazuhiko Kuroki, Ryotaro Arita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-03-09T02:29:51Z","title":"Two-Orbital Model Explains the Higher Transition Temperature of the Single-Layer Hg-Cuprate Superconductor Compared to That of the La-Cuprate Superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1770","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2111f92251dcc9de1ddb2d20ef68c5653d8918e2798242c12206337fbd0b5c40","target":"record","created_at":"2026-05-18T04:42:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"693bd43803b8f00d7a14967847b49f77d1fb06a43c07c3b4e27fba5b6e4e3cc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-03-09T02:29:51Z","title_canon_sha256":"7c90a14acfd53996c4879bb21867ece09ab2472c3b19eefc8fd78ffa44297278"},"schema_version":"1.0","source":{"id":"1003.1770","kind":"arxiv","version":3}},"canonical_sha256":"71f1b6781790ebfed957416c0d1ef7313a9dcfa0d404b4434047a81d3c53179c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71f1b6781790ebfed957416c0d1ef7313a9dcfa0d404b4434047a81d3c53179c","first_computed_at":"2026-05-18T04:42:43.226433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:43.226433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MUGZUDOyq6zifzHUHbPYSsblXfDzKeJLn8C+lb5s2UsVsqQ4buvM7EAuskSQKZD3vdJ43mjISgNgbMalmw/CAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:43.226803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.1770","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2111f92251dcc9de1ddb2d20ef68c5653d8918e2798242c12206337fbd0b5c40","sha256:56377d086d50e366638fd4a6e7175386462c6d8f78151348317d27ce82808435"],"state_sha256":"4fa04d8ae4c7d6752c0163ed4de7abd5cffa841c89c114e99a3829ea517d155a"}