{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:YGJKAC3IZTMLCH72EVM626JFNL","short_pith_number":"pith:YGJKAC3I","schema_version":"1.0","canonical_sha256":"c192a00b68ccd8b11ffa2559ed79256ace6e494b47738611f8511d5ce4119850","source":{"kind":"arxiv","id":"1012.5980","version":1},"attestation_state":"computed","paper":{"title":"Heavily electron-doped electronic structure and isotropic superconducting gap in AxFe2Se2 (A=K,Cs)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. P. Xie, C. He, D. L. Feng, F. Chen, J. Jiang, J. J. Ying, J. P. Hu, L. X. Yang, M. Xu, X. F. Wang, X. H. Chen, Y. Zhang, Z. R. Ye","submitted_at":"2010-12-29T16:59:09Z","abstract_excerpt":"The low energy band structure and Fermi surface of the newly discovered superconductor, AxFe2Se2 (A=K,Cs), have been studied by angle-resolved photoemission spectroscopy. Compared with iron pnictide superconductors, AxFe2Se2 (A=K,Cs) is the most heavily electron-doped with Tc~30 K. Only electron pockets are observed with an almost isotropic superconducting gap of ~10.3 meV, while there is no hole Fermi surface near the zone center, which indicates the inter-pocket hopping or Fermi surface nesting is not a necessary ingredient for the unconventional superconductivity in iron-based superconducto"},"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":"1012.5980","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-12-29T16:59:09Z","cross_cats_sorted":[],"title_canon_sha256":"494ed9c7bf648ec4d80e44502607e868367ade2159b8ab3fa7752b46b7213034","abstract_canon_sha256":"ba153d5358d39ef636ba93589de01551ab5cb025792c54fdb4b192dbb1006b9b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:27.406194Z","signature_b64":"BhTNEvo0R+lBuo4TOAt1fMeljQHaJpx/VCw8xKLqnwvzTvx623fi6z4v58XSxowX5QBiyEFxQ6SNFsyNgpMPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c192a00b68ccd8b11ffa2559ed79256ace6e494b47738611f8511d5ce4119850","last_reissued_at":"2026-05-18T04:24:27.405528Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:27.405528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heavily electron-doped electronic structure and isotropic superconducting gap in AxFe2Se2 (A=K,Cs)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. P. Xie, C. He, D. L. Feng, F. Chen, J. Jiang, J. J. Ying, J. P. Hu, L. X. Yang, M. Xu, X. F. Wang, X. H. Chen, Y. Zhang, Z. R. Ye","submitted_at":"2010-12-29T16:59:09Z","abstract_excerpt":"The low energy band structure and Fermi surface of the newly discovered superconductor, AxFe2Se2 (A=K,Cs), have been studied by angle-resolved photoemission spectroscopy. Compared with iron pnictide superconductors, AxFe2Se2 (A=K,Cs) is the most heavily electron-doped with Tc~30 K. Only electron pockets are observed with an almost isotropic superconducting gap of ~10.3 meV, while there is no hole Fermi surface near the zone center, which indicates the inter-pocket hopping or Fermi surface nesting is not a necessary ingredient for the unconventional superconductivity in iron-based superconducto"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.5980","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":"1012.5980","created_at":"2026-05-18T04:24:27.405621+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.5980v1","created_at":"2026-05-18T04:24:27.405621+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.5980","created_at":"2026-05-18T04:24:27.405621+00:00"},{"alias_kind":"pith_short_12","alias_value":"YGJKAC3IZTML","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"YGJKAC3IZTMLCH72","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"YGJKAC3I","created_at":"2026-05-18T12:26:17.028572+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/YGJKAC3IZTMLCH72EVM626JFNL","json":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL.json","graph_json":"https://pith.science/api/pith-number/YGJKAC3IZTMLCH72EVM626JFNL/graph.json","events_json":"https://pith.science/api/pith-number/YGJKAC3IZTMLCH72EVM626JFNL/events.json","paper":"https://pith.science/paper/YGJKAC3I"},"agent_actions":{"view_html":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL","download_json":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL.json","view_paper":"https://pith.science/paper/YGJKAC3I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.5980&json=true","fetch_graph":"https://pith.science/api/pith-number/YGJKAC3IZTMLCH72EVM626JFNL/graph.json","fetch_events":"https://pith.science/api/pith-number/YGJKAC3IZTMLCH72EVM626JFNL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL/action/storage_attestation","attest_author":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL/action/author_attestation","sign_citation":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL/action/citation_signature","submit_replication":"https://pith.science/pith/YGJKAC3IZTMLCH72EVM626JFNL/action/replication_record"}},"created_at":"2026-05-18T04:24:27.405621+00:00","updated_at":"2026-05-18T04:24:27.405621+00:00"}