{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:4FGL6KU2CYNLCMJAQOOCAQUXGR","short_pith_number":"pith:4FGL6KU2","schema_version":"1.0","canonical_sha256":"e14cbf2a9a161ab13120839c20429734716da3be81f1eec889d2c7c78e52bad3","source":{"kind":"arxiv","id":"cond-mat/0201501","version":1},"attestation_state":"computed","paper":{"title":"Anomalous Dispersion of Longitudinal Optical Phonons in $\\mathrm{\\mathbf{Nd_{1.86}Ce_{0.14}CuO_{4+\\bm{\\delta}}}}$ Determined by Inelastic X-ray Scattering","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Mirone, A. Shukla, F. Sette, M. Braden, M. d'Astuto, M. Greven, M. Krisch, P. Ghigna, P. Giura, P. K. Mang","submitted_at":"2002-01-28T11:04:11Z","abstract_excerpt":"The phonon dispersions of $\\mathrm{Nd_{1.86}Ce_{0.14}CuO_{4+\\delta}}$ along the $[\\xi,0,0]$ direction have been determined by inelastic x-ray scattering. Compared to the undoped parent compound, the two highest longitudinal phonon branches, associated with the Cu-O bond-stretching and out-of-plane oxygen vibration, are shifted to lower energies. Moreover, an anomalous softening of the bond-stretching band is observed around $\\mathbf{q}=(0.2,0,0)$. These signatures provide evidence for strong electron-phonon coupling in this electron-doped high-temperature superconductor."},"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":"cond-mat/0201501","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-01-28T11:04:11Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"9f43d3cdaa98ee0f9a6b30b7c54bf1eb65b00b960c9258eac7bf9485d10eca29","abstract_canon_sha256":"b858bbf74b47094b5d826e65472b067ed252e16b77dc7fb124ffa4b80b5e3b79"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:31:36.653108Z","signature_b64":"dN12WtEerVBdWP3vY79wPB0yBgns4Yxp04oICOvvSbYKV/pXyt4/A7IL3RfzSSK5I0d/3cA7BN5w65ptertABw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e14cbf2a9a161ab13120839c20429734716da3be81f1eec889d2c7c78e52bad3","last_reissued_at":"2026-07-04T16:31:36.652600Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:31:36.652600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous Dispersion of Longitudinal Optical Phonons in $\\mathrm{\\mathbf{Nd_{1.86}Ce_{0.14}CuO_{4+\\bm{\\delta}}}}$ Determined by Inelastic X-ray Scattering","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Mirone, A. Shukla, F. Sette, M. Braden, M. d'Astuto, M. Greven, M. Krisch, P. Ghigna, P. Giura, P. K. Mang","submitted_at":"2002-01-28T11:04:11Z","abstract_excerpt":"The phonon dispersions of $\\mathrm{Nd_{1.86}Ce_{0.14}CuO_{4+\\delta}}$ along the $[\\xi,0,0]$ direction have been determined by inelastic x-ray scattering. Compared to the undoped parent compound, the two highest longitudinal phonon branches, associated with the Cu-O bond-stretching and out-of-plane oxygen vibration, are shifted to lower energies. Moreover, an anomalous softening of the bond-stretching band is observed around $\\mathbf{q}=(0.2,0,0)$. These signatures provide evidence for strong electron-phonon coupling in this electron-doped high-temperature superconductor."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0201501","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/cond-mat/0201501/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":"cond-mat/0201501","created_at":"2026-07-04T16:31:36.652670+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0201501v1","created_at":"2026-07-04T16:31:36.652670+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0201501","created_at":"2026-07-04T16:31:36.652670+00:00"},{"alias_kind":"pith_short_12","alias_value":"4FGL6KU2CYNL","created_at":"2026-07-04T16:31:36.652670+00:00"},{"alias_kind":"pith_short_16","alias_value":"4FGL6KU2CYNLCMJA","created_at":"2026-07-04T16:31:36.652670+00:00"},{"alias_kind":"pith_short_8","alias_value":"4FGL6KU2","created_at":"2026-07-04T16:31:36.652670+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/4FGL6KU2CYNLCMJAQOOCAQUXGR","json":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR.json","graph_json":"https://pith.science/api/pith-number/4FGL6KU2CYNLCMJAQOOCAQUXGR/graph.json","events_json":"https://pith.science/api/pith-number/4FGL6KU2CYNLCMJAQOOCAQUXGR/events.json","paper":"https://pith.science/paper/4FGL6KU2"},"agent_actions":{"view_html":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR","download_json":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR.json","view_paper":"https://pith.science/paper/4FGL6KU2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0201501&json=true","fetch_graph":"https://pith.science/api/pith-number/4FGL6KU2CYNLCMJAQOOCAQUXGR/graph.json","fetch_events":"https://pith.science/api/pith-number/4FGL6KU2CYNLCMJAQOOCAQUXGR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR/action/storage_attestation","attest_author":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR/action/author_attestation","sign_citation":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR/action/citation_signature","submit_replication":"https://pith.science/pith/4FGL6KU2CYNLCMJAQOOCAQUXGR/action/replication_record"}},"created_at":"2026-07-04T16:31:36.652670+00:00","updated_at":"2026-07-04T16:31:36.652670+00:00"}