{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3KVHQPJWGSZY4DPZ2OWQAGSSQQ","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":"d0ae4c1967d16d4fb04d467a34e7803548647c67c05c89bdaaa03c041d11a6f8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-17T02:51:46Z","title_canon_sha256":"76adc1c740f1f3f963404dc4851e66abebb61499e46ff8115cb7fde5c4fd211a"},"schema_version":"1.0","source":{"id":"1103.3329","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.3329","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"arxiv_version","alias_value":"1103.3329v3","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3329","created_at":"2026-05-18T04:10:48Z"},{"alias_kind":"pith_short_12","alias_value":"3KVHQPJWGSZY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3KVHQPJWGSZY4DPZ","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3KVHQPJW","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:58b43ffc187f05b2024b20c0335fd418f15fb8e7d89aa53c4fac58f46aa2886a","target":"graph","created_at":"2026-05-18T04:10:48Z","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":"We show that the Fermi surface (FS) in the antiferromagnetic phase of BaFe$_2$As$_2$ is composed of one hole and two electron pockets, all of which are three dimensional and closed, in sharp contrast to the FS observed by angle-resolved photoemission spectroscopy. Considerations on the carrier compensation and Sommerfeld coefficient rule out existence of unobserved FS pockets of significant sizes. A standard band structure calculation reasonably accounts for the observed FS, despite the overestimated ordered moment. The mass enhancement, the ratio of the effective mass to the band mass, is 2--","authors_text":"Akira Iyo, Chul-Ho Lee, Hiroshi Eisaki, Hisatomo Harima, Kunihiro Kihou, Masamichi Nakajima, Megumi Tomita, Nobuyuki Kurita, Shigeyuki Ishida, Shin-ichi Uchida, Shinya Uji, Taichi Terashima, Tian Liang, Toshimitsu Ito, Yasuhide Tomioka","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-17T02:51:46Z","title":"Complete Fermi surface in BaFe$_2$As$_2$ observed via Shubnikov-de Haas oscillation measurements on detwinned single crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3329","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:bf6af20757071177d7a71df8f194989cc048a1091722447337941945c2f6be08","target":"record","created_at":"2026-05-18T04:10:48Z","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":"d0ae4c1967d16d4fb04d467a34e7803548647c67c05c89bdaaa03c041d11a6f8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-17T02:51:46Z","title_canon_sha256":"76adc1c740f1f3f963404dc4851e66abebb61499e46ff8115cb7fde5c4fd211a"},"schema_version":"1.0","source":{"id":"1103.3329","kind":"arxiv","version":3}},"canonical_sha256":"daaa783d3634b38e0df9d3ad001a528400769d445154f1fc1e4f77ebe954a0b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"daaa783d3634b38e0df9d3ad001a528400769d445154f1fc1e4f77ebe954a0b0","first_computed_at":"2026-05-18T04:10:48.214016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:48.214016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WvkU8ROiMzfcGrJ4ovASIJxR5iTBCGH8ZoylP4QFGaqglcSeJL3VouLPvmrxG/1TMwoSMCTReIRQEbwsHYmtCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:48.214608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.3329","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf6af20757071177d7a71df8f194989cc048a1091722447337941945c2f6be08","sha256:58b43ffc187f05b2024b20c0335fd418f15fb8e7d89aa53c4fac58f46aa2886a"],"state_sha256":"486e7e572bcb2fb89f986542d44941857485ea3e52751f212c86f23e6cd8f970"}