{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:EVQUT6JXJKZ532SSXWJMTSMN37","short_pith_number":"pith:EVQUT6JX","schema_version":"1.0","canonical_sha256":"256149f9374ab3ddea52bd92c9c98ddffc34fb5aa637cc166173e0017ad8e605","source":{"kind":"arxiv","id":"0902.4280","version":1},"attestation_state":"computed","paper":{"title":"Differences in the high-energy kink between hole- and electron-doped high-$T_{\\rm c}$ superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Fujimori, H. Takagi, K. Ono, M. Ikeda, M. Kubota, T. Sasagawa, T. Yoshida, Y. Kaga","submitted_at":"2009-02-25T02:26:40Z","abstract_excerpt":"We have performed an angle-resolved photoemission spectroscopy (ARPES) study of Nd$_{1.85}$Ce$_{0.15}$CuO$_{4}$ (NCCO) in order to elucidate the origin of the high-energy kink (HEK) observed in the high-$T_{\\rm c}$ superconductors (HTSCs). The energy scale of the HEK in NCCO is large compared with that in hole-doped HTSCs, consistent with previous ARPES studies. From measurement in a wide momentum region, we have demonstrated that between the hole- and electron-doped HTSCs the energy position of the HEK is shifted approximately by the amount of the chemical potential difference. Also, we have "},"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":"0902.4280","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-02-25T02:26:40Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"40becb0602248fe7a9c9e1823773649159c1d868589739c8d1ae51ddd4c61910","abstract_canon_sha256":"cbf7bf977cfcd470e045f9bfe56cb58fa3f3984a507ae47c09f9402705ba0753"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:39.221252Z","signature_b64":"qE6p9jDWbBeCx+c+GbAKIFXFrRo7Z1s7ySJIGoPg5c5Me8+iNtG1xGA508KhwRx/arHRJdBjzhwyZUjqpQc1BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"256149f9374ab3ddea52bd92c9c98ddffc34fb5aa637cc166173e0017ad8e605","last_reissued_at":"2026-05-18T02:14:39.220564Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:39.220564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Differences in the high-energy kink between hole- and electron-doped high-$T_{\\rm c}$ superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Fujimori, H. Takagi, K. Ono, M. Ikeda, M. Kubota, T. Sasagawa, T. Yoshida, Y. Kaga","submitted_at":"2009-02-25T02:26:40Z","abstract_excerpt":"We have performed an angle-resolved photoemission spectroscopy (ARPES) study of Nd$_{1.85}$Ce$_{0.15}$CuO$_{4}$ (NCCO) in order to elucidate the origin of the high-energy kink (HEK) observed in the high-$T_{\\rm c}$ superconductors (HTSCs). The energy scale of the HEK in NCCO is large compared with that in hole-doped HTSCs, consistent with previous ARPES studies. From measurement in a wide momentum region, we have demonstrated that between the hole- and electron-doped HTSCs the energy position of the HEK is shifted approximately by the amount of the chemical potential difference. Also, we have "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4280","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":""},"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":"0902.4280","created_at":"2026-05-18T02:14:39.220681+00:00"},{"alias_kind":"arxiv_version","alias_value":"0902.4280v1","created_at":"2026-05-18T02:14:39.220681+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4280","created_at":"2026-05-18T02:14:39.220681+00:00"},{"alias_kind":"pith_short_12","alias_value":"EVQUT6JXJKZ5","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"EVQUT6JXJKZ532SS","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"EVQUT6JX","created_at":"2026-05-18T12:25:59.703012+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/EVQUT6JXJKZ532SSXWJMTSMN37","json":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37.json","graph_json":"https://pith.science/api/pith-number/EVQUT6JXJKZ532SSXWJMTSMN37/graph.json","events_json":"https://pith.science/api/pith-number/EVQUT6JXJKZ532SSXWJMTSMN37/events.json","paper":"https://pith.science/paper/EVQUT6JX"},"agent_actions":{"view_html":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37","download_json":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37.json","view_paper":"https://pith.science/paper/EVQUT6JX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0902.4280&json=true","fetch_graph":"https://pith.science/api/pith-number/EVQUT6JXJKZ532SSXWJMTSMN37/graph.json","fetch_events":"https://pith.science/api/pith-number/EVQUT6JXJKZ532SSXWJMTSMN37/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37/action/storage_attestation","attest_author":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37/action/author_attestation","sign_citation":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37/action/citation_signature","submit_replication":"https://pith.science/pith/EVQUT6JXJKZ532SSXWJMTSMN37/action/replication_record"}},"created_at":"2026-05-18T02:14:39.220681+00:00","updated_at":"2026-05-18T02:14:39.220681+00:00"}