{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:UZWB6TRAIP3KKPBUQFS53H7QRA","short_pith_number":"pith:UZWB6TRA","schema_version":"1.0","canonical_sha256":"a66c1f4e2043f6a53c348165dd9ff08817f6407dea86c6921aad40703ae7e32a","source":{"kind":"arxiv","id":"1208.2881","version":3},"attestation_state":"computed","paper":{"title":"Nematicity from mixed S_{+-} + d_{x^2-y^2} states in iron-based superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Aperis, G. Livanas, G. Varelogiannis, P. Kotetes","submitted_at":"2012-08-14T14:33:30Z","abstract_excerpt":"We demonstrate that in iron-based superconductors, the extended S_{+-} SC state coexists with the d_{x^2-y^2} state under generic conditions. The mixed S_{+-} + d_{x^2-y^2} SC is a natural nematic state in which the tetragonal symmetry C_4 is broken to C_2 explaining puzzling findings of nematic SC in FeSe films [Science 332, 1410 (2011)]. Moreover, we report the possibility of a first order transition at low-T from the nematic S_{+-} + d_{x^2-y^2} state to the pure d_{x^2-y^2} state induced by the Zeeman magnetic field proposing an original experimental strategy for identifying our mixed nema"},"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":"1208.2881","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-08-14T14:33:30Z","cross_cats_sorted":[],"title_canon_sha256":"62efd9eab36f19484d13c7e53ac4bed8061b34dbb1cad8817dd7c741ed7ee2ea","abstract_canon_sha256":"faa21005c785d1f56592a4a113463aa12c70d34cf17737cd6e9e6de1b046c383"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:08.859727Z","signature_b64":"k6gb5zNbc82CuqV/MppyMGIU0dB6jBpRnZbAB3joqPVvjRAS8UPVzQtAYF/E0HQagWqnp0+hq1ginY4CftezDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a66c1f4e2043f6a53c348165dd9ff08817f6407dea86c6921aad40703ae7e32a","last_reissued_at":"2026-05-18T01:12:08.859297Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:08.859297Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nematicity from mixed S_{+-} + d_{x^2-y^2} states in iron-based superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Aperis, G. Livanas, G. Varelogiannis, P. Kotetes","submitted_at":"2012-08-14T14:33:30Z","abstract_excerpt":"We demonstrate that in iron-based superconductors, the extended S_{+-} SC state coexists with the d_{x^2-y^2} state under generic conditions. The mixed S_{+-} + d_{x^2-y^2} SC is a natural nematic state in which the tetragonal symmetry C_4 is broken to C_2 explaining puzzling findings of nematic SC in FeSe films [Science 332, 1410 (2011)]. Moreover, we report the possibility of a first order transition at low-T from the nematic S_{+-} + d_{x^2-y^2} state to the pure d_{x^2-y^2} state induced by the Zeeman magnetic field proposing an original experimental strategy for identifying our mixed nema"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2881","kind":"arxiv","version":3},"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":"1208.2881","created_at":"2026-05-18T01:12:08.859373+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.2881v3","created_at":"2026-05-18T01:12:08.859373+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2881","created_at":"2026-05-18T01:12:08.859373+00:00"},{"alias_kind":"pith_short_12","alias_value":"UZWB6TRAIP3K","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"UZWB6TRAIP3KKPBU","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"UZWB6TRA","created_at":"2026-05-18T12:27:25.539911+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/UZWB6TRAIP3KKPBUQFS53H7QRA","json":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA.json","graph_json":"https://pith.science/api/pith-number/UZWB6TRAIP3KKPBUQFS53H7QRA/graph.json","events_json":"https://pith.science/api/pith-number/UZWB6TRAIP3KKPBUQFS53H7QRA/events.json","paper":"https://pith.science/paper/UZWB6TRA"},"agent_actions":{"view_html":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA","download_json":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA.json","view_paper":"https://pith.science/paper/UZWB6TRA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.2881&json=true","fetch_graph":"https://pith.science/api/pith-number/UZWB6TRAIP3KKPBUQFS53H7QRA/graph.json","fetch_events":"https://pith.science/api/pith-number/UZWB6TRAIP3KKPBUQFS53H7QRA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA/action/storage_attestation","attest_author":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA/action/author_attestation","sign_citation":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA/action/citation_signature","submit_replication":"https://pith.science/pith/UZWB6TRAIP3KKPBUQFS53H7QRA/action/replication_record"}},"created_at":"2026-05-18T01:12:08.859373+00:00","updated_at":"2026-05-18T01:12:08.859373+00:00"}