{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:IHASX3OO25IR66BQLOLUPKSQM2","short_pith_number":"pith:IHASX3OO","schema_version":"1.0","canonical_sha256":"41c12bedced7511f78305b9747aa5066a97ed899b9f2847b9e7398389e3d9625","source":{"kind":"arxiv","id":"1104.2923","version":1},"attestation_state":"computed","paper":{"title":"Relation between 2Delta/Tc and nodes in Fe-based superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Andrey V. Chubukov, Saurabh Maiti","submitted_at":"2011-04-14T20:37:58Z","abstract_excerpt":"We analyze the interplay between the absence or presence of the nodes in the superconducting gap along electron Fermi surfaces (FSs) in Fe-pnictides, and 2Delta/T_c along hole FSs, measured by ARPES. We solve the set of coupled gap equations for 4-band and 5-band models of Fe-pnictides and relate the presence of the nodes to 2\\Delta/T_c being below a certain threshold. Using ARPES data for 2\\Delta/T_c, we find that optimally doped (BaK)Fe_2As_2 and Ba(FeCo)_2As_2 and likely nodeless, but iso-valent BaFe_2(AsP)_2 likely has nodes."},"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":"1104.2923","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-04-14T20:37:58Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"27574c40232e191f87a9074c673604e2c5259bc93067d3e4d4ee2520e07cff06","abstract_canon_sha256":"aae28cc97f35da21dfc5457d8967daa1e715320b1422c50977637f127e878d72"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:09.044889Z","signature_b64":"GDKO7COxJKjCG8IyroehmgBSeHO0IpGYu8aYHL3WXPYHeuZYGkqnjcI8/3ICsar3d6H7WDRh0Ii/p8e90/FZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41c12bedced7511f78305b9747aa5066a97ed899b9f2847b9e7398389e3d9625","last_reissued_at":"2026-05-18T02:22:09.044221Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:09.044221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Relation between 2Delta/Tc and nodes in Fe-based superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Andrey V. Chubukov, Saurabh Maiti","submitted_at":"2011-04-14T20:37:58Z","abstract_excerpt":"We analyze the interplay between the absence or presence of the nodes in the superconducting gap along electron Fermi surfaces (FSs) in Fe-pnictides, and 2Delta/T_c along hole FSs, measured by ARPES. We solve the set of coupled gap equations for 4-band and 5-band models of Fe-pnictides and relate the presence of the nodes to 2\\Delta/T_c being below a certain threshold. Using ARPES data for 2\\Delta/T_c, we find that optimally doped (BaK)Fe_2As_2 and Ba(FeCo)_2As_2 and likely nodeless, but iso-valent BaFe_2(AsP)_2 likely has nodes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.2923","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":"1104.2923","created_at":"2026-05-18T02:22:09.044334+00:00"},{"alias_kind":"arxiv_version","alias_value":"1104.2923v1","created_at":"2026-05-18T02:22:09.044334+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.2923","created_at":"2026-05-18T02:22:09.044334+00:00"},{"alias_kind":"pith_short_12","alias_value":"IHASX3OO25IR","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_16","alias_value":"IHASX3OO25IR66BQ","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_8","alias_value":"IHASX3OO","created_at":"2026-05-18T12:26:30.835961+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/IHASX3OO25IR66BQLOLUPKSQM2","json":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2.json","graph_json":"https://pith.science/api/pith-number/IHASX3OO25IR66BQLOLUPKSQM2/graph.json","events_json":"https://pith.science/api/pith-number/IHASX3OO25IR66BQLOLUPKSQM2/events.json","paper":"https://pith.science/paper/IHASX3OO"},"agent_actions":{"view_html":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2","download_json":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2.json","view_paper":"https://pith.science/paper/IHASX3OO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1104.2923&json=true","fetch_graph":"https://pith.science/api/pith-number/IHASX3OO25IR66BQLOLUPKSQM2/graph.json","fetch_events":"https://pith.science/api/pith-number/IHASX3OO25IR66BQLOLUPKSQM2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2/action/storage_attestation","attest_author":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2/action/author_attestation","sign_citation":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2/action/citation_signature","submit_replication":"https://pith.science/pith/IHASX3OO25IR66BQLOLUPKSQM2/action/replication_record"}},"created_at":"2026-05-18T02:22:09.044334+00:00","updated_at":"2026-05-18T02:22:09.044334+00:00"}