{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5ARBHXC35AVWDTG32N4D2WENNJ","short_pith_number":"pith:5ARBHXC3","schema_version":"1.0","canonical_sha256":"e82213dc5be82b61ccdbd3783d588d6a4334d5bddc303c02e58b6e16db23c0c8","source":{"kind":"arxiv","id":"1908.02790","version":1},"attestation_state":"computed","paper":{"title":"Momentum Dependence of the Nematic Order Parameter in Iron-Based Superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A. Hristov, C. R. Rotundu, D. Lu, H. Pfau, I. R. Fisher, J. C. Palmstrom, J. Straquadine, M. Hashimoto, M. Yi, P.-C. Dai, R. J. Birgeneau, S. D. Chen, T. Chen, Z.-X. Shen","submitted_at":"2019-08-07T18:27:03Z","abstract_excerpt":"The momentum dependence of the nematic order parameter is an important ingredient in the microscopic description of iron-based high-temperature superconductors. While recent reports on FeSe indicate that the nematic order parameter changes sign between electron and hole bands, detailed knowledge is still missing for other compounds. Combining angle-resolved photoemission spectroscopy (ARPES) with uniaxial strain tuning, we measure the nematic band splitting in both FeSe and BaFe$_2$As$_2$ without interference from either twinning or magnetic order. We find that the nematic order parameter exhi"},"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":"1908.02790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-08-07T18:27:03Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"a8d9cfd56eb0030cc4cbf489266fab1edf8471b4f705c22799a8d9efae3bcee9","abstract_canon_sha256":"d87345396f46ee2fdae707dc4db0f4a08cc6f141534332d1335ce64397b69a95"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:52:23.320202Z","signature_b64":"r4D1lwhawLa3C3naekkftstEw698tkCRuP76C5WQITj+k42P4RzAPOISoRX7Y+on4znIhDwD+o3hWDSr5LbNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e82213dc5be82b61ccdbd3783d588d6a4334d5bddc303c02e58b6e16db23c0c8","last_reissued_at":"2026-07-04T23:52:23.319771Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:52:23.319771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Momentum Dependence of the Nematic Order Parameter in Iron-Based Superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A. Hristov, C. R. Rotundu, D. Lu, H. Pfau, I. R. Fisher, J. C. Palmstrom, J. Straquadine, M. Hashimoto, M. Yi, P.-C. Dai, R. J. Birgeneau, S. D. Chen, T. Chen, Z.-X. Shen","submitted_at":"2019-08-07T18:27:03Z","abstract_excerpt":"The momentum dependence of the nematic order parameter is an important ingredient in the microscopic description of iron-based high-temperature superconductors. While recent reports on FeSe indicate that the nematic order parameter changes sign between electron and hole bands, detailed knowledge is still missing for other compounds. Combining angle-resolved photoemission spectroscopy (ARPES) with uniaxial strain tuning, we measure the nematic band splitting in both FeSe and BaFe$_2$As$_2$ without interference from either twinning or magnetic order. We find that the nematic order parameter exhi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02790","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/1908.02790/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":"1908.02790","created_at":"2026-07-04T23:52:23.319828+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.02790v1","created_at":"2026-07-04T23:52:23.319828+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02790","created_at":"2026-07-04T23:52:23.319828+00:00"},{"alias_kind":"pith_short_12","alias_value":"5ARBHXC35AVW","created_at":"2026-07-04T23:52:23.319828+00:00"},{"alias_kind":"pith_short_16","alias_value":"5ARBHXC35AVWDTG3","created_at":"2026-07-04T23:52:23.319828+00:00"},{"alias_kind":"pith_short_8","alias_value":"5ARBHXC3","created_at":"2026-07-04T23:52:23.319828+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/5ARBHXC35AVWDTG32N4D2WENNJ","json":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ.json","graph_json":"https://pith.science/api/pith-number/5ARBHXC35AVWDTG32N4D2WENNJ/graph.json","events_json":"https://pith.science/api/pith-number/5ARBHXC35AVWDTG32N4D2WENNJ/events.json","paper":"https://pith.science/paper/5ARBHXC3"},"agent_actions":{"view_html":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ","download_json":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ.json","view_paper":"https://pith.science/paper/5ARBHXC3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.02790&json=true","fetch_graph":"https://pith.science/api/pith-number/5ARBHXC35AVWDTG32N4D2WENNJ/graph.json","fetch_events":"https://pith.science/api/pith-number/5ARBHXC35AVWDTG32N4D2WENNJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ/action/storage_attestation","attest_author":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ/action/author_attestation","sign_citation":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ/action/citation_signature","submit_replication":"https://pith.science/pith/5ARBHXC35AVWDTG32N4D2WENNJ/action/replication_record"}},"created_at":"2026-07-04T23:52:23.319828+00:00","updated_at":"2026-07-04T23:52:23.319828+00:00"}