{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:DVAR5WMR3R33ZRCE3DUYGHIPYU","short_pith_number":"pith:DVAR5WMR","schema_version":"1.0","canonical_sha256":"1d411ed991dc77bcc444d8e9831d0fc51b0ed030ace6d7e2051fa16d135c22ed","source":{"kind":"arxiv","id":"1502.02713","version":1},"attestation_state":"computed","paper":{"title":"Mutual independence of critical temperature and superfluid density under pressure in optimally electron-doped superconducting LaFeAsO$_{1-x}$F$_{x}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. U. B. Wolter, B. B\\\"uchner, F. Ahn, G. Prando, I. Eremin, I. Nekrasov, R. Khasanov, S. Sanna, S. Wurmehl, Th. Hartmann, W. Schottenhamel, Z. Guguchia","submitted_at":"2015-02-09T22:28:23Z","abstract_excerpt":"The superconducting properties of LaFeAsO$_{1-x}$F$_{x}$ in conditions of optimal electron-doping are investigated upon the application of external pressure up to $\\sim 23$ kbar. Measurements of muon-spin spectroscopy and dc magnetometry evidence a clear mutual independence between the critical temperature $T_{c}$ and the low-temperature saturation value for the ratio $n_{s}/m^{*}$ (superfluid density over effective band mass of Cooper pairs). Remarkably, a dramatic increase of $\\sim 30$ % is reported for $n_{s}/m^{*}$ at the maximum pressure value while $T_{c}$ is substantially unaffected in "},"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":"1502.02713","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-02-09T22:28:23Z","cross_cats_sorted":[],"title_canon_sha256":"677cab7f009ca3d9ecc2c6019b85aee68e0c5bef28ef84e2a67c07fe644c5324","abstract_canon_sha256":"ea17c67c2d4dd0c20f03b2d709e55bde4c0f21cf52a9cb61422cc80713283f33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:34.895907Z","signature_b64":"20oSo85u5f80ZhxlVjVgz2ubT6+ClRVwTj0MSGkvjiKFzkWKPnQ1Ii4T593v4DVUzkPxk+Fs8TFF4QQOjuk/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d411ed991dc77bcc444d8e9831d0fc51b0ed030ace6d7e2051fa16d135c22ed","last_reissued_at":"2026-05-18T01:30:34.895193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:34.895193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mutual independence of critical temperature and superfluid density under pressure in optimally electron-doped superconducting LaFeAsO$_{1-x}$F$_{x}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. U. B. Wolter, B. B\\\"uchner, F. Ahn, G. Prando, I. Eremin, I. Nekrasov, R. Khasanov, S. Sanna, S. Wurmehl, Th. Hartmann, W. Schottenhamel, Z. Guguchia","submitted_at":"2015-02-09T22:28:23Z","abstract_excerpt":"The superconducting properties of LaFeAsO$_{1-x}$F$_{x}$ in conditions of optimal electron-doping are investigated upon the application of external pressure up to $\\sim 23$ kbar. Measurements of muon-spin spectroscopy and dc magnetometry evidence a clear mutual independence between the critical temperature $T_{c}$ and the low-temperature saturation value for the ratio $n_{s}/m^{*}$ (superfluid density over effective band mass of Cooper pairs). Remarkably, a dramatic increase of $\\sim 30$ % is reported for $n_{s}/m^{*}$ at the maximum pressure value while $T_{c}$ is substantially unaffected in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02713","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":"1502.02713","created_at":"2026-05-18T01:30:34.895307+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.02713v1","created_at":"2026-05-18T01:30:34.895307+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02713","created_at":"2026-05-18T01:30:34.895307+00:00"},{"alias_kind":"pith_short_12","alias_value":"DVAR5WMR3R33","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"DVAR5WMR3R33ZRCE","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"DVAR5WMR","created_at":"2026-05-18T12:29:17.054201+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/DVAR5WMR3R33ZRCE3DUYGHIPYU","json":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU.json","graph_json":"https://pith.science/api/pith-number/DVAR5WMR3R33ZRCE3DUYGHIPYU/graph.json","events_json":"https://pith.science/api/pith-number/DVAR5WMR3R33ZRCE3DUYGHIPYU/events.json","paper":"https://pith.science/paper/DVAR5WMR"},"agent_actions":{"view_html":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU","download_json":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU.json","view_paper":"https://pith.science/paper/DVAR5WMR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.02713&json=true","fetch_graph":"https://pith.science/api/pith-number/DVAR5WMR3R33ZRCE3DUYGHIPYU/graph.json","fetch_events":"https://pith.science/api/pith-number/DVAR5WMR3R33ZRCE3DUYGHIPYU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU/action/storage_attestation","attest_author":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU/action/author_attestation","sign_citation":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU/action/citation_signature","submit_replication":"https://pith.science/pith/DVAR5WMR3R33ZRCE3DUYGHIPYU/action/replication_record"}},"created_at":"2026-05-18T01:30:34.895307+00:00","updated_at":"2026-05-18T01:30:34.895307+00:00"}