{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:CHEZGGJV5KOHIHIJSASEGRTOLJ","short_pith_number":"pith:CHEZGGJV","schema_version":"1.0","canonical_sha256":"11c9931935ea9c741d09902443466e5a5c02bed050fdb81194de47bd1d673b69","source":{"kind":"arxiv","id":"1511.09005","version":1},"attestation_state":"computed","paper":{"title":"Optical Study of BaFe$_2$As$_2$ under pressure: Coexistence of spin-density-wave gap and superconductivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. A. Kuntscher, E. Uykur, S. Miyasaka, S. Tajima, T. Kobayashi, W. Hirata","submitted_at":"2015-11-29T12:57:54Z","abstract_excerpt":"Temperature-dependent reflectivity measurements in the frequency range 85 - 7000 cm$^{-1}$ were performed on BaFe$_2$As$_2$ single crystals under pressure up to $\\sim$5 GPa. The corresponding pressure- and temperature-dependent optical conductivity was analyzed with the Drude-Lorentz model to extract the coherent and incoherent contributions. The gradual suppression of the spin-density wave (SDW) state with increasing pressure and the appearance of the superconducting phase coexisting with the SDW phase at 3.6~GPa were observed. At 3.6~GPa, the reflectivity reaches unity below $\\sim$95~cm$^{-1"},"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":"1511.09005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-11-29T12:57:54Z","cross_cats_sorted":[],"title_canon_sha256":"dfdc33687b17e3d5e4195888074ff3014a713bcf34012e28fbfe88d417715aec","abstract_canon_sha256":"369c354de49ebc132acf6e700f5ff7cff4751157c3e2a6d446e39d34afa587e2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:32.728606Z","signature_b64":"NzpnN1MmjUHvuCQ+CEc135ixw3t1NvnI/UCWwY5tx0MowKnyBoifINUAtjG/ur3yqBzzCqHX2spfNMgvuIVmAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11c9931935ea9c741d09902443466e5a5c02bed050fdb81194de47bd1d673b69","last_reissued_at":"2026-05-18T01:22:32.728050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:32.728050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Study of BaFe$_2$As$_2$ under pressure: Coexistence of spin-density-wave gap and superconductivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. A. Kuntscher, E. Uykur, S. Miyasaka, S. Tajima, T. Kobayashi, W. Hirata","submitted_at":"2015-11-29T12:57:54Z","abstract_excerpt":"Temperature-dependent reflectivity measurements in the frequency range 85 - 7000 cm$^{-1}$ were performed on BaFe$_2$As$_2$ single crystals under pressure up to $\\sim$5 GPa. The corresponding pressure- and temperature-dependent optical conductivity was analyzed with the Drude-Lorentz model to extract the coherent and incoherent contributions. The gradual suppression of the spin-density wave (SDW) state with increasing pressure and the appearance of the superconducting phase coexisting with the SDW phase at 3.6~GPa were observed. At 3.6~GPa, the reflectivity reaches unity below $\\sim$95~cm$^{-1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09005","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":"1511.09005","created_at":"2026-05-18T01:22:32.728145+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.09005v1","created_at":"2026-05-18T01:22:32.728145+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09005","created_at":"2026-05-18T01:22:32.728145+00:00"},{"alias_kind":"pith_short_12","alias_value":"CHEZGGJV5KOH","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"CHEZGGJV5KOHIHIJ","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"CHEZGGJV","created_at":"2026-05-18T12:29:14.074870+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/CHEZGGJV5KOHIHIJSASEGRTOLJ","json":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ.json","graph_json":"https://pith.science/api/pith-number/CHEZGGJV5KOHIHIJSASEGRTOLJ/graph.json","events_json":"https://pith.science/api/pith-number/CHEZGGJV5KOHIHIJSASEGRTOLJ/events.json","paper":"https://pith.science/paper/CHEZGGJV"},"agent_actions":{"view_html":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ","download_json":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ.json","view_paper":"https://pith.science/paper/CHEZGGJV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.09005&json=true","fetch_graph":"https://pith.science/api/pith-number/CHEZGGJV5KOHIHIJSASEGRTOLJ/graph.json","fetch_events":"https://pith.science/api/pith-number/CHEZGGJV5KOHIHIJSASEGRTOLJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ/action/storage_attestation","attest_author":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ/action/author_attestation","sign_citation":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ/action/citation_signature","submit_replication":"https://pith.science/pith/CHEZGGJV5KOHIHIJSASEGRTOLJ/action/replication_record"}},"created_at":"2026-05-18T01:22:32.728145+00:00","updated_at":"2026-05-18T01:22:32.728145+00:00"}