{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:U567FR5WHABCGPUUUNBMKHFJKH","short_pith_number":"pith:U567FR5W","schema_version":"1.0","canonical_sha256":"a77df2c7b63802233e94a342c51ca951f9be44aa1e603f4350f0cb361e9141f1","source":{"kind":"arxiv","id":"cond-mat/0108039","version":1},"attestation_state":"computed","paper":{"title":"Anomalous optical absorption in overdoped cuprates near the charge-ordering instability","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"C. Di Castro, M. Grilli, S. Caprara, S. Fratini","submitted_at":"2001-08-02T13:14:49Z","abstract_excerpt":"We propose an interpretation for the hump observed in the optical conductivity at or below a few hundreds of cm$^{-1}$, in overdoped cuprates like the electron-doped Nd_{2-x}Ce_xCuO_{4-y} at x\\gtrsim 0.15 and the hole-doped Bi_2Sr_2CuO_6 and La_{2-x}Sr_xCuO_4. This interpretation is based on the direct excitation of charge collective modes, which become nearly critical in the proximity to a charge-ordering instability. The nearly critical character of these excitations entails a peculiar temperature dependence and a pseudo-scaling form of the lineshapes, which are in agreement with the experim"},"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/0108039","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2001-08-02T13:14:49Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"f8b5133d0f0bccdb1cc147b434bb1de697e71735fe272f819199e561a5d4a560","abstract_canon_sha256":"296e457c34903ded1f28eb0897de0779fcf678bdc4e72102cb869e2eb5fc635c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:26:05.483920Z","signature_b64":"NdC3tzB3vzMUKwMZFMTNnlB3yEPR2gXB5nCBfyUWDTzsVC0rhN7pen1Idpc/9NLk2WyEfWVbQTAzr7t4bNsRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a77df2c7b63802233e94a342c51ca951f9be44aa1e603f4350f0cb361e9141f1","last_reissued_at":"2026-07-04T16:26:05.483457Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:26:05.483457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous optical absorption in overdoped cuprates near the charge-ordering instability","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"C. Di Castro, M. Grilli, S. Caprara, S. Fratini","submitted_at":"2001-08-02T13:14:49Z","abstract_excerpt":"We propose an interpretation for the hump observed in the optical conductivity at or below a few hundreds of cm$^{-1}$, in overdoped cuprates like the electron-doped Nd_{2-x}Ce_xCuO_{4-y} at x\\gtrsim 0.15 and the hole-doped Bi_2Sr_2CuO_6 and La_{2-x}Sr_xCuO_4. This interpretation is based on the direct excitation of charge collective modes, which become nearly critical in the proximity to a charge-ordering instability. The nearly critical character of these excitations entails a peculiar temperature dependence and a pseudo-scaling form of the lineshapes, which are in agreement with the experim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0108039","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/0108039/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/0108039","created_at":"2026-07-04T16:26:05.483524+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0108039v1","created_at":"2026-07-04T16:26:05.483524+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0108039","created_at":"2026-07-04T16:26:05.483524+00:00"},{"alias_kind":"pith_short_12","alias_value":"U567FR5WHABC","created_at":"2026-07-04T16:26:05.483524+00:00"},{"alias_kind":"pith_short_16","alias_value":"U567FR5WHABCGPUU","created_at":"2026-07-04T16:26:05.483524+00:00"},{"alias_kind":"pith_short_8","alias_value":"U567FR5W","created_at":"2026-07-04T16:26:05.483524+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/U567FR5WHABCGPUUUNBMKHFJKH","json":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH.json","graph_json":"https://pith.science/api/pith-number/U567FR5WHABCGPUUUNBMKHFJKH/graph.json","events_json":"https://pith.science/api/pith-number/U567FR5WHABCGPUUUNBMKHFJKH/events.json","paper":"https://pith.science/paper/U567FR5W"},"agent_actions":{"view_html":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH","download_json":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH.json","view_paper":"https://pith.science/paper/U567FR5W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0108039&json=true","fetch_graph":"https://pith.science/api/pith-number/U567FR5WHABCGPUUUNBMKHFJKH/graph.json","fetch_events":"https://pith.science/api/pith-number/U567FR5WHABCGPUUUNBMKHFJKH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH/action/storage_attestation","attest_author":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH/action/author_attestation","sign_citation":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH/action/citation_signature","submit_replication":"https://pith.science/pith/U567FR5WHABCGPUUUNBMKHFJKH/action/replication_record"}},"created_at":"2026-07-04T16:26:05.483524+00:00","updated_at":"2026-07-04T16:26:05.483524+00:00"}