{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:Y5W6HMLHBXCHSEOGHE2MUQ3CPD","short_pith_number":"pith:Y5W6HMLH","schema_version":"1.0","canonical_sha256":"c76de3b1670dc47911c63934ca436278c3fbf69a106876354839b55532fb4adb","source":{"kind":"arxiv","id":"1102.3864","version":1},"attestation_state":"computed","paper":{"title":"Fermi arcs and isotope effect of the magnetic penetration depth in underdoped cuprates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Andr\\'es Greco, Roland Zeyher","submitted_at":"2011-02-18T16:02:08Z","abstract_excerpt":"The isotope coefficient $\\beta$ of the magnetic penetration depth in the superconducting state is studied at T=0 for a $d$-CDW and a nodal metal model. Disregarding superconductivity the Fermi surface of the first model possesses arcs whereas the second model has no arcs. We show that a large increase of $\\beta$ in the pseudogap region is generically incompatible with Fermi arcs in the pseudogap state. Thus only the second model shows a large increase of $\\beta$ with decreasing doping. The required electron-phonon coupling is small and compatible with first-principles calculations based on the"},"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":"1102.3864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-02-18T16:02:08Z","cross_cats_sorted":[],"title_canon_sha256":"86acdf2378a68026a948d3b1d5699906dfafcbf04a83e0e5a187991616dc61da","abstract_canon_sha256":"b4f790e679a7b5ca6566a59de40d6a02a457e58e93c596f8be8e8e06d48d8634"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:06.843720Z","signature_b64":"ISXeyvzdeykG/vDIwhtGbTvkfAhIQ6qjYVAjdDT3sUpBykPl3VNgH9D2pW3qDNe4NpTWqfBxRX/yJWsxuSc8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c76de3b1670dc47911c63934ca436278c3fbf69a106876354839b55532fb4adb","last_reissued_at":"2026-05-18T03:20:06.843027Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:06.843027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fermi arcs and isotope effect of the magnetic penetration depth in underdoped cuprates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Andr\\'es Greco, Roland Zeyher","submitted_at":"2011-02-18T16:02:08Z","abstract_excerpt":"The isotope coefficient $\\beta$ of the magnetic penetration depth in the superconducting state is studied at T=0 for a $d$-CDW and a nodal metal model. Disregarding superconductivity the Fermi surface of the first model possesses arcs whereas the second model has no arcs. We show that a large increase of $\\beta$ in the pseudogap region is generically incompatible with Fermi arcs in the pseudogap state. Thus only the second model shows a large increase of $\\beta$ with decreasing doping. The required electron-phonon coupling is small and compatible with first-principles calculations based on the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.3864","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":"1102.3864","created_at":"2026-05-18T03:20:06.843128+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.3864v1","created_at":"2026-05-18T03:20:06.843128+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.3864","created_at":"2026-05-18T03:20:06.843128+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y5W6HMLHBXCH","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y5W6HMLHBXCHSEOG","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y5W6HMLH","created_at":"2026-05-18T12:26:47.523578+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/Y5W6HMLHBXCHSEOGHE2MUQ3CPD","json":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD.json","graph_json":"https://pith.science/api/pith-number/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/graph.json","events_json":"https://pith.science/api/pith-number/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/events.json","paper":"https://pith.science/paper/Y5W6HMLH"},"agent_actions":{"view_html":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD","download_json":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD.json","view_paper":"https://pith.science/paper/Y5W6HMLH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.3864&json=true","fetch_graph":"https://pith.science/api/pith-number/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/graph.json","fetch_events":"https://pith.science/api/pith-number/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/action/storage_attestation","attest_author":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/action/author_attestation","sign_citation":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/action/citation_signature","submit_replication":"https://pith.science/pith/Y5W6HMLHBXCHSEOGHE2MUQ3CPD/action/replication_record"}},"created_at":"2026-05-18T03:20:06.843128+00:00","updated_at":"2026-05-18T03:20:06.843128+00:00"}