{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:BX2J6EODAI2SPNYWYJVG33AVEA","short_pith_number":"pith:BX2J6EOD","schema_version":"1.0","canonical_sha256":"0df49f11c3023527b716c26a6dec15202fee3f8a5e236bf698acd0eff5a26b33","source":{"kind":"arxiv","id":"0904.3775","version":1},"attestation_state":"computed","paper":{"title":"Effect of electron-doping on spin excitations of underdoped BaFe$_{1.96}$Ni$_{0.04}$As$_{2}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Astrid Schneidewind, Fang Zhou, Jiangping Hu, Jun Zhao, Leland W. Harriger, Pengcheng Dai, Shiliang Li, Wei Lu, Xiaoli Dong, Zhengcai Li, Zhongxian Zhao","submitted_at":"2009-04-24T01:35:54Z","abstract_excerpt":"We use neutron scattering to study magnetic order and spin excitations in BaFe$_{1.96}$Ni$_{0.04}$As$_{2}$. On cooling, the system first changes the lattice symmetry from tetragonal to orthoromhbic near $\\sim$97 K, and then orders antiferromagnetically at $T_N=91$ K before developing weak superconductivity below $\\sim$15 K. Although superconductivity appears to co-exist with static antiferromagnetic order from transport and neutron diffraction measurement, inelastic neutron scattering experiments reveal that magnetic excitations do not respond to superconductivity. Instead, the effect of elect"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0904.3775","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-04-24T01:35:54Z","cross_cats_sorted":[],"title_canon_sha256":"e06714e5f121eda494bd01d0dbe6fcbf6e47fc672975785313003af35436bf5d","abstract_canon_sha256":"ee8e0bc07686780461f8a8c97151a98fd737b429e61a002ab6b047d9c4c77420"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:48:14.731192Z","signature_b64":"USaCfNkrxvaOz0BFU3629E+g/gvrwFWtNSqgeBKerXMPUlXW4cSAgfUqPf3Dc8Y4dbU1qTfEq6VGadOs9urADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0df49f11c3023527b716c26a6dec15202fee3f8a5e236bf698acd0eff5a26b33","last_reissued_at":"2026-07-04T15:48:14.730778Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:48:14.730778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effect of electron-doping on spin excitations of underdoped BaFe$_{1.96}$Ni$_{0.04}$As$_{2}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Astrid Schneidewind, Fang Zhou, Jiangping Hu, Jun Zhao, Leland W. Harriger, Pengcheng Dai, Shiliang Li, Wei Lu, Xiaoli Dong, Zhengcai Li, Zhongxian Zhao","submitted_at":"2009-04-24T01:35:54Z","abstract_excerpt":"We use neutron scattering to study magnetic order and spin excitations in BaFe$_{1.96}$Ni$_{0.04}$As$_{2}$. On cooling, the system first changes the lattice symmetry from tetragonal to orthoromhbic near $\\sim$97 K, and then orders antiferromagnetically at $T_N=91$ K before developing weak superconductivity below $\\sim$15 K. Although superconductivity appears to co-exist with static antiferromagnetic order from transport and neutron diffraction measurement, inelastic neutron scattering experiments reveal that magnetic excitations do not respond to superconductivity. Instead, the effect of elect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.3775","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0904.3775/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0904.3775","created_at":"2026-07-04T15:48:14.730842+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.3775v1","created_at":"2026-07-04T15:48:14.730842+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.3775","created_at":"2026-07-04T15:48:14.730842+00:00"},{"alias_kind":"pith_short_12","alias_value":"BX2J6EODAI2S","created_at":"2026-07-04T15:48:14.730842+00:00"},{"alias_kind":"pith_short_16","alias_value":"BX2J6EODAI2SPNYW","created_at":"2026-07-04T15:48:14.730842+00:00"},{"alias_kind":"pith_short_8","alias_value":"BX2J6EOD","created_at":"2026-07-04T15:48:14.730842+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2602.18924","citing_title":"Criticality and Phase Structures of Excited Holographic Superconductors in Nonlinear Electrodynamics","ref_index":8,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA","json":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA.json","graph_json":"https://pith.science/api/pith-number/BX2J6EODAI2SPNYWYJVG33AVEA/graph.json","events_json":"https://pith.science/api/pith-number/BX2J6EODAI2SPNYWYJVG33AVEA/events.json","paper":"https://pith.science/paper/BX2J6EOD"},"agent_actions":{"view_html":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA","download_json":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA.json","view_paper":"https://pith.science/paper/BX2J6EOD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.3775&json=true","fetch_graph":"https://pith.science/api/pith-number/BX2J6EODAI2SPNYWYJVG33AVEA/graph.json","fetch_events":"https://pith.science/api/pith-number/BX2J6EODAI2SPNYWYJVG33AVEA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA/action/storage_attestation","attest_author":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA/action/author_attestation","sign_citation":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA/action/citation_signature","submit_replication":"https://pith.science/pith/BX2J6EODAI2SPNYWYJVG33AVEA/action/replication_record"}},"created_at":"2026-07-04T15:48:14.730842+00:00","updated_at":"2026-07-04T15:48:14.730842+00:00"}