{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:BQPNMXYRIBO7EFEZKRWAL3TYIE","short_pith_number":"pith:BQPNMXYR","schema_version":"1.0","canonical_sha256":"0c1ed65f11405df21499546c05ee78411b601a738dddb16c1bb8d343a699ec16","source":{"kind":"arxiv","id":"cond-mat/0012437","version":1},"attestation_state":"computed","paper":{"title":"Quantum Spin Fluctuations as a Source of Long-Range Proximity Effects in Diffusive Ferromagnet-Superconductor Structures","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Kadigrobov, M. Jonson, R. I. Shekhter","submitted_at":"2000-12-22T16:06:58Z","abstract_excerpt":"We show that quantum spin fluctuations in inhomogeneous ferromagnets drastically affect the Andreev reflection of electrons and holes at a ferromagnet-superconductor interface. As a result a strong long-range proximity effect appears, associated with electron-hole spin triplet correlations and persisting on a lenght scale typical for non-magnetic materials, but anomalously large for ferromagnets."},"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/0012437","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-12-22T16:06:58Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"748e610d84d036f7438f458a49305b02747d035b385525b6cbca7dd67b525e5e","abstract_canon_sha256":"d56e86d7efd77ae567952e64ab5b36ca0eb9c9cf50aaf2b26293651d116e84df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:19:33.991898Z","signature_b64":"D+0+pwxgGUttDv+mC4O7KE5v1Gz7GREmMMCQSo7KER/99mTHRUQPJZt5leVDlL2bBzgUsSkguaCWh8P6LfACAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c1ed65f11405df21499546c05ee78411b601a738dddb16c1bb8d343a699ec16","last_reissued_at":"2026-07-04T16:19:33.991464Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:19:33.991464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum Spin Fluctuations as a Source of Long-Range Proximity Effects in Diffusive Ferromagnet-Superconductor Structures","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Kadigrobov, M. Jonson, R. I. Shekhter","submitted_at":"2000-12-22T16:06:58Z","abstract_excerpt":"We show that quantum spin fluctuations in inhomogeneous ferromagnets drastically affect the Andreev reflection of electrons and holes at a ferromagnet-superconductor interface. As a result a strong long-range proximity effect appears, associated with electron-hole spin triplet correlations and persisting on a lenght scale typical for non-magnetic materials, but anomalously large for ferromagnets."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0012437","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/0012437/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/0012437","created_at":"2026-07-04T16:19:33.991534+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0012437v1","created_at":"2026-07-04T16:19:33.991534+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0012437","created_at":"2026-07-04T16:19:33.991534+00:00"},{"alias_kind":"pith_short_12","alias_value":"BQPNMXYRIBO7","created_at":"2026-07-04T16:19:33.991534+00:00"},{"alias_kind":"pith_short_16","alias_value":"BQPNMXYRIBO7EFEZ","created_at":"2026-07-04T16:19:33.991534+00:00"},{"alias_kind":"pith_short_8","alias_value":"BQPNMXYR","created_at":"2026-07-04T16:19:33.991534+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.20366","citing_title":"Quantized resonant tunneling effect in Josephson junctions with ferromagnetic bilayers","ref_index":14,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE","json":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE.json","graph_json":"https://pith.science/api/pith-number/BQPNMXYRIBO7EFEZKRWAL3TYIE/graph.json","events_json":"https://pith.science/api/pith-number/BQPNMXYRIBO7EFEZKRWAL3TYIE/events.json","paper":"https://pith.science/paper/BQPNMXYR"},"agent_actions":{"view_html":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE","download_json":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE.json","view_paper":"https://pith.science/paper/BQPNMXYR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0012437&json=true","fetch_graph":"https://pith.science/api/pith-number/BQPNMXYRIBO7EFEZKRWAL3TYIE/graph.json","fetch_events":"https://pith.science/api/pith-number/BQPNMXYRIBO7EFEZKRWAL3TYIE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE/action/storage_attestation","attest_author":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE/action/author_attestation","sign_citation":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE/action/citation_signature","submit_replication":"https://pith.science/pith/BQPNMXYRIBO7EFEZKRWAL3TYIE/action/replication_record"}},"created_at":"2026-07-04T16:19:33.991534+00:00","updated_at":"2026-07-04T16:19:33.991534+00:00"}