{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:M4VH4XXKGYEXTK7FGAAWTWSLFN","short_pith_number":"pith:M4VH4XXK","schema_version":"1.0","canonical_sha256":"672a7e5eea360979abe5300169da4b2b4d308b439a44e6425e3e9a19c1812a3b","source":{"kind":"arxiv","id":"0909.2054","version":1},"attestation_state":"computed","paper":{"title":"Coupling of localized moments and itinerant electrons in EuFe2As2 single crystals studied by Electron Spin Resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Loidl, C. Felser, E. Dengler, F. Casper, H.-A. Krug von Nidda, J. Deisenhofer, J. S. Kim, Kee Hoon Kim, Seunghyun Khim","submitted_at":"2009-09-10T21:47:06Z","abstract_excerpt":"Electron spin resonance measurements in EuFe2As2 single crystals revealed an absorption spectrum of a single resonance with Dysonian lineshape. Above the spin-density wave transition at T_SDW = 190 K the spectra are isotropic and the spin relaxation is strongly coupled to the CEs resulting in a Korringa-like increase of the linewidth. Below T_SDW, a distinct anisotropy develops and the relaxation behavior of the Eu spins changes drastically into one with characteristic properties of a magnetic insulating system, where dipolar and crystal-field interactions dominate. This indicates a spatial co"},"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":"0909.2054","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-09-10T21:47:06Z","cross_cats_sorted":[],"title_canon_sha256":"90671bdb952a1264d422ca0656bff4e35165bbc9d580f7c3a5b70cdb89a8968f","abstract_canon_sha256":"165f9eed2aea1a46ca30d2aada905ec9e9d375be85b1405b03542dca2575a344"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:20:35.516485Z","signature_b64":"3AtT4kxLi8zP8ygcnuc+ZKYWlN1YkgmJgThdu9Glx04i6DHeP2jVATbKVjG2+KpsyM8+dnOWQAdsEGZLVV/qBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"672a7e5eea360979abe5300169da4b2b4d308b439a44e6425e3e9a19c1812a3b","last_reissued_at":"2026-07-04T17:20:35.516065Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:20:35.516065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coupling of localized moments and itinerant electrons in EuFe2As2 single crystals studied by Electron Spin Resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Loidl, C. Felser, E. Dengler, F. Casper, H.-A. Krug von Nidda, J. Deisenhofer, J. S. Kim, Kee Hoon Kim, Seunghyun Khim","submitted_at":"2009-09-10T21:47:06Z","abstract_excerpt":"Electron spin resonance measurements in EuFe2As2 single crystals revealed an absorption spectrum of a single resonance with Dysonian lineshape. Above the spin-density wave transition at T_SDW = 190 K the spectra are isotropic and the spin relaxation is strongly coupled to the CEs resulting in a Korringa-like increase of the linewidth. Below T_SDW, a distinct anisotropy develops and the relaxation behavior of the Eu spins changes drastically into one with characteristic properties of a magnetic insulating system, where dipolar and crystal-field interactions dominate. This indicates a spatial co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2054","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/0909.2054/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":"0909.2054","created_at":"2026-07-04T17:20:35.516130+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.2054v1","created_at":"2026-07-04T17:20:35.516130+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2054","created_at":"2026-07-04T17:20:35.516130+00:00"},{"alias_kind":"pith_short_12","alias_value":"M4VH4XXKGYEX","created_at":"2026-07-04T17:20:35.516130+00:00"},{"alias_kind":"pith_short_16","alias_value":"M4VH4XXKGYEXTK7F","created_at":"2026-07-04T17:20:35.516130+00:00"},{"alias_kind":"pith_short_8","alias_value":"M4VH4XXK","created_at":"2026-07-04T17:20:35.516130+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/M4VH4XXKGYEXTK7FGAAWTWSLFN","json":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN.json","graph_json":"https://pith.science/api/pith-number/M4VH4XXKGYEXTK7FGAAWTWSLFN/graph.json","events_json":"https://pith.science/api/pith-number/M4VH4XXKGYEXTK7FGAAWTWSLFN/events.json","paper":"https://pith.science/paper/M4VH4XXK"},"agent_actions":{"view_html":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN","download_json":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN.json","view_paper":"https://pith.science/paper/M4VH4XXK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.2054&json=true","fetch_graph":"https://pith.science/api/pith-number/M4VH4XXKGYEXTK7FGAAWTWSLFN/graph.json","fetch_events":"https://pith.science/api/pith-number/M4VH4XXKGYEXTK7FGAAWTWSLFN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN/action/storage_attestation","attest_author":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN/action/author_attestation","sign_citation":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN/action/citation_signature","submit_replication":"https://pith.science/pith/M4VH4XXKGYEXTK7FGAAWTWSLFN/action/replication_record"}},"created_at":"2026-07-04T17:20:35.516130+00:00","updated_at":"2026-07-04T17:20:35.516130+00:00"}