{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:3TCXXGYIJIRF2SE3ZD6GNCPXG2","short_pith_number":"pith:3TCXXGYI","schema_version":"1.0","canonical_sha256":"dcc57b9b084a225d489bc8fc6689f736b9a4e37185241a8196e5f028710c2abd","source":{"kind":"arxiv","id":"1402.5875","version":1},"attestation_state":"computed","paper":{"title":"Observation of strong-coupling pairing with weakened Fermi-surface nesting at optimal hole doping in Ca$_{0.33}$Na$_{0.67}$Fe$_2$As$_2$","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. van Roekeghem, C.-Q. Jin, E. D. L. Rienks, H. Ding, K. Zhao, M. Shi, N. Xu, P. Richard, S. Thirupathaiah, T. Qian, W.-L. Zhang, X.-P. Wang, X. Shi, Y.-B. Huang, Y.-B. Shi","submitted_at":"2014-02-24T16:19:25Z","abstract_excerpt":"We report an angle-resolved photoemission investigation of optimally-doped Ca$_{0.33}$Na$_{0.67}$Fe$_2$As$_2$. The Fermi surface topology of this compound is similar to that of the well-studied Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$ material, except for larger hole pockets resulting from a higher hole concentration per Fe atoms. We find that the quasi-nesting conditions are weakened in this compound as compared to Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$. As with Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$ though, we observe nearly isotropic superconducting gaps with Fermi surface-dependent magnitudes. A small variation "},"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":"1402.5875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-02-24T16:19:25Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"56c62e6cd2aa60294799b662363d76404a52719aed61ea1b24510aaae0feca9e","abstract_canon_sha256":"15fe2ccfecbcaefb32016123c3602aecfc0e27096ef9d316f251abc6c2945583"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:12.827110Z","signature_b64":"b4c923+1BQ3ih/s62Uhkeleu0aZiVmfMXVQn8nfLIdzYADP5UyREEuOUlkDfF1RNzumQ7FN0N9i8SHXKDQ5WDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcc57b9b084a225d489bc8fc6689f736b9a4e37185241a8196e5f028710c2abd","last_reissued_at":"2026-05-18T02:50:12.826394Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:12.826394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of strong-coupling pairing with weakened Fermi-surface nesting at optimal hole doping in Ca$_{0.33}$Na$_{0.67}$Fe$_2$As$_2$","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. van Roekeghem, C.-Q. Jin, E. D. L. Rienks, H. Ding, K. Zhao, M. Shi, N. Xu, P. Richard, S. Thirupathaiah, T. Qian, W.-L. Zhang, X.-P. Wang, X. Shi, Y.-B. Huang, Y.-B. Shi","submitted_at":"2014-02-24T16:19:25Z","abstract_excerpt":"We report an angle-resolved photoemission investigation of optimally-doped Ca$_{0.33}$Na$_{0.67}$Fe$_2$As$_2$. The Fermi surface topology of this compound is similar to that of the well-studied Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$ material, except for larger hole pockets resulting from a higher hole concentration per Fe atoms. We find that the quasi-nesting conditions are weakened in this compound as compared to Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$. As with Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$ though, we observe nearly isotropic superconducting gaps with Fermi surface-dependent magnitudes. A small variation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5875","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":"1402.5875","created_at":"2026-05-18T02:50:12.826570+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.5875v1","created_at":"2026-05-18T02:50:12.826570+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5875","created_at":"2026-05-18T02:50:12.826570+00:00"},{"alias_kind":"pith_short_12","alias_value":"3TCXXGYIJIRF","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"3TCXXGYIJIRF2SE3","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"3TCXXGYI","created_at":"2026-05-18T12:28:11.866339+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/3TCXXGYIJIRF2SE3ZD6GNCPXG2","json":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2.json","graph_json":"https://pith.science/api/pith-number/3TCXXGYIJIRF2SE3ZD6GNCPXG2/graph.json","events_json":"https://pith.science/api/pith-number/3TCXXGYIJIRF2SE3ZD6GNCPXG2/events.json","paper":"https://pith.science/paper/3TCXXGYI"},"agent_actions":{"view_html":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2","download_json":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2.json","view_paper":"https://pith.science/paper/3TCXXGYI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.5875&json=true","fetch_graph":"https://pith.science/api/pith-number/3TCXXGYIJIRF2SE3ZD6GNCPXG2/graph.json","fetch_events":"https://pith.science/api/pith-number/3TCXXGYIJIRF2SE3ZD6GNCPXG2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2/action/storage_attestation","attest_author":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2/action/author_attestation","sign_citation":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2/action/citation_signature","submit_replication":"https://pith.science/pith/3TCXXGYIJIRF2SE3ZD6GNCPXG2/action/replication_record"}},"created_at":"2026-05-18T02:50:12.826570+00:00","updated_at":"2026-05-18T02:50:12.826570+00:00"}