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No static Fe$^{2+}$ magnetism, with or without long-range order, is found down to 19~mK\\@. The dynamic muon spin relaxation rate~$\\lambda$ exhibits power-law divergences in temperature and magnetic field, the latter for fields that are too weak to affect the electronic spin dynamics directly. We attribute this to the proportionality of $\\lambda(\\omega_\\mu,T)$ to the dynamic structure factor~$S(\\omega_\\mu,T)$, where"},"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":"1801.03659","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-01-11T08:11:49Z","cross_cats_sorted":[],"title_canon_sha256":"638a71a43b5a857dadbc779d8e0acd6eb815fccdec5e5e892e51965421641aa6","abstract_canon_sha256":"9e433f2cc73e6aab69ad2b1d9fce5d4b4709fb03e0ab12463800a526bc4f6fea"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:52.364050Z","signature_b64":"dzMLyecCTsPTtNPA1TmkvZGVSTVQYjWPk6/ypL6jiO+rxmaPA5Bhmv0Y2KKEA03T+cvGDYs91UgSUJi8PqvxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c560ef7260db9558779fcae17692178583e575ff72139e0fc67294398d63d8ab","last_reissued_at":"2026-05-18T00:18:52.363609Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:52.363609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous quantum-critical spin dynamics in YFe2Al10","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. 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