{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:UGZ7NSDP5GI5NTVS2BVENOMUGS","short_pith_number":"pith:UGZ7NSDP","schema_version":"1.0","canonical_sha256":"a1b3f6c86fe991d6ceb2d06a46b9943494c0f8810ef21e9724e53902caf1cac6","source":{"kind":"arxiv","id":"1309.6084","version":1},"attestation_state":"computed","paper":{"title":"Orbital-selective metal-insulator transition and gap formation above Tc in superconducting Rb1-xFe2-ySe2","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. Loidl, D. Vollhardt, J. Deisenhofer, J. Fischer, M. Greger, M. Schmidt, V. Tsurkan, Zhe Wang","submitted_at":"2013-09-24T08:48:30Z","abstract_excerpt":"We report on a hierarchy of temperatures Tc < Tgap < Tmet in superconducting Rb1-xFe2-ySe2 observed by THz spectroscopy. Above Tmet = 90 K the material reveals semiconducting characteristics. Below Tmet a coherent metallic THz response emerges. This metal-to-insulator type, orbital selective transition is clearly indicated by an isosbestic point in the temperature dependence of the optical conductivity and dielectric constant at THz-frequencies. At Tgap = 61 K a gap opens in the THz regime and then the superconducting transition occurs at Tc = 32 K. This sequence of temperatures seems to refle"},"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":"1309.6084","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-09-24T08:48:30Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5bb4b2271bc3da451152434218c8d1e0f4736e0c36c9484453d381251eb70a63","abstract_canon_sha256":"fb866f598701be0d96c42d807c2f9e54c536037d769b7c5d56c8f8142d0d857d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:08.537177Z","signature_b64":"nyBxlfP4vgsfLqXgAc1nr57zeJB2fCB74dfh0FJDFYRc9JuQ5sulpRCKIyhQGhbUKyamlDfRSznats7s8e6fCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1b3f6c86fe991d6ceb2d06a46b9943494c0f8810ef21e9724e53902caf1cac6","last_reissued_at":"2026-05-18T02:57:08.536694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:08.536694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Orbital-selective metal-insulator transition and gap formation above Tc in superconducting Rb1-xFe2-ySe2","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. Loidl, D. Vollhardt, J. Deisenhofer, J. Fischer, M. Greger, M. Schmidt, V. Tsurkan, Zhe Wang","submitted_at":"2013-09-24T08:48:30Z","abstract_excerpt":"We report on a hierarchy of temperatures Tc < Tgap < Tmet in superconducting Rb1-xFe2-ySe2 observed by THz spectroscopy. Above Tmet = 90 K the material reveals semiconducting characteristics. Below Tmet a coherent metallic THz response emerges. This metal-to-insulator type, orbital selective transition is clearly indicated by an isosbestic point in the temperature dependence of the optical conductivity and dielectric constant at THz-frequencies. At Tgap = 61 K a gap opens in the THz regime and then the superconducting transition occurs at Tc = 32 K. This sequence of temperatures seems to refle"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.6084","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":"1309.6084","created_at":"2026-05-18T02:57:08.536763+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.6084v1","created_at":"2026-05-18T02:57:08.536763+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.6084","created_at":"2026-05-18T02:57:08.536763+00:00"},{"alias_kind":"pith_short_12","alias_value":"UGZ7NSDP5GI5","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"UGZ7NSDP5GI5NTVS","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"UGZ7NSDP","created_at":"2026-05-18T12:28:02.375192+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/UGZ7NSDP5GI5NTVS2BVENOMUGS","json":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS.json","graph_json":"https://pith.science/api/pith-number/UGZ7NSDP5GI5NTVS2BVENOMUGS/graph.json","events_json":"https://pith.science/api/pith-number/UGZ7NSDP5GI5NTVS2BVENOMUGS/events.json","paper":"https://pith.science/paper/UGZ7NSDP"},"agent_actions":{"view_html":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS","download_json":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS.json","view_paper":"https://pith.science/paper/UGZ7NSDP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.6084&json=true","fetch_graph":"https://pith.science/api/pith-number/UGZ7NSDP5GI5NTVS2BVENOMUGS/graph.json","fetch_events":"https://pith.science/api/pith-number/UGZ7NSDP5GI5NTVS2BVENOMUGS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS/action/storage_attestation","attest_author":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS/action/author_attestation","sign_citation":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS/action/citation_signature","submit_replication":"https://pith.science/pith/UGZ7NSDP5GI5NTVS2BVENOMUGS/action/replication_record"}},"created_at":"2026-05-18T02:57:08.536763+00:00","updated_at":"2026-05-18T02:57:08.536763+00:00"}