{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:XE76TLNMZOHVXT3M2TKSTWD2YW","short_pith_number":"pith:XE76TLNM","schema_version":"1.0","canonical_sha256":"b93fe9adaccb8f5bcf6cd4d529d87ac58d30ef799c02a547d652691719ef7a1f","source":{"kind":"arxiv","id":"1109.1537","version":2},"attestation_state":"computed","paper":{"title":"Probing the Order Parameter of Superconducting LiFeAs using Pb/LiFeAs and Au/LiFeAs Point-Contact Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Bumsung Lee, Ichiro Takeuchi, Kee Hoon Kim, Richard L. Greene, Seunghyun Khim, Xiaohang Zhang","submitted_at":"2011-09-07T19:09:16Z","abstract_excerpt":"We have fabricated c-axis point contact junctions between high-quality LiFeAs single crystals and Pb or Au tips in order to study the nature of the superconducting order parameter of LiFeAs, one of the few stoichiometric iron-based superconductors. The observation of the Josephson current in c-axis junctions with a conventional s-wave superconductor as the counterelectrode indicates that the pairing symmetry in LiFeAs is not pure d-wave or pure spin-triplet p-wave. A superconducting gap is clearly observed in point contact Andreev reflection measurements performed on both Pb/LiFeAs and Au/LiFe"},"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":"1109.1537","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-09-07T19:09:16Z","cross_cats_sorted":[],"title_canon_sha256":"e18f31354505cfa77d692fec6f0c996c18e26aa15d4cd9bed982a54b426d93c6","abstract_canon_sha256":"53105c068b8e3940dadae17826c0770c938d2a8abccdb675b3fa0edc1158468d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:36.814403Z","signature_b64":"cJ4HwVUyR53LBqTBsN3oVZ/6to/PqrrEbzwzbmtRzaN5i73Da4o4JrOE2Y9RenymMd7aQiiohpV5FEF7xRWkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b93fe9adaccb8f5bcf6cd4d529d87ac58d30ef799c02a547d652691719ef7a1f","last_reissued_at":"2026-05-18T03:58:36.813350Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:36.813350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the Order Parameter of Superconducting LiFeAs using Pb/LiFeAs and Au/LiFeAs Point-Contact Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Bumsung Lee, Ichiro Takeuchi, Kee Hoon Kim, Richard L. Greene, Seunghyun Khim, Xiaohang Zhang","submitted_at":"2011-09-07T19:09:16Z","abstract_excerpt":"We have fabricated c-axis point contact junctions between high-quality LiFeAs single crystals and Pb or Au tips in order to study the nature of the superconducting order parameter of LiFeAs, one of the few stoichiometric iron-based superconductors. The observation of the Josephson current in c-axis junctions with a conventional s-wave superconductor as the counterelectrode indicates that the pairing symmetry in LiFeAs is not pure d-wave or pure spin-triplet p-wave. A superconducting gap is clearly observed in point contact Andreev reflection measurements performed on both Pb/LiFeAs and Au/LiFe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1537","kind":"arxiv","version":2},"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":"1109.1537","created_at":"2026-05-18T03:58:36.813550+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.1537v2","created_at":"2026-05-18T03:58:36.813550+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1537","created_at":"2026-05-18T03:58:36.813550+00:00"},{"alias_kind":"pith_short_12","alias_value":"XE76TLNMZOHV","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_16","alias_value":"XE76TLNMZOHVXT3M","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_8","alias_value":"XE76TLNM","created_at":"2026-05-18T12:26:44.992195+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/XE76TLNMZOHVXT3M2TKSTWD2YW","json":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW.json","graph_json":"https://pith.science/api/pith-number/XE76TLNMZOHVXT3M2TKSTWD2YW/graph.json","events_json":"https://pith.science/api/pith-number/XE76TLNMZOHVXT3M2TKSTWD2YW/events.json","paper":"https://pith.science/paper/XE76TLNM"},"agent_actions":{"view_html":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW","download_json":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW.json","view_paper":"https://pith.science/paper/XE76TLNM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.1537&json=true","fetch_graph":"https://pith.science/api/pith-number/XE76TLNMZOHVXT3M2TKSTWD2YW/graph.json","fetch_events":"https://pith.science/api/pith-number/XE76TLNMZOHVXT3M2TKSTWD2YW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW/action/storage_attestation","attest_author":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW/action/author_attestation","sign_citation":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW/action/citation_signature","submit_replication":"https://pith.science/pith/XE76TLNMZOHVXT3M2TKSTWD2YW/action/replication_record"}},"created_at":"2026-05-18T03:58:36.813550+00:00","updated_at":"2026-05-18T03:58:36.813550+00:00"}