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We find sharp reductions in lambda_TF(H) at fields of 23, 46 and 69 mT, for which the Ho3+ ion system has field-induced (avoided) level crossings. The reduction scales with calculated level repulsions, suggesting that mu+ depolarization by slow fluctuations of non-resonant Ho3+ spin states is partially suppressed when resonant tunneling opens new fluctuation channels at frequencies much greater than the muon"},"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":"0709.0684","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2007-09-05T19:15:44Z","cross_cats_sorted":[],"title_canon_sha256":"862b3da4c1df1ee222e7885f1377b720936316a80bbc8341875e5a85e07a928b","abstract_canon_sha256":"8a694804b94ac5661a79ea4f6835c92c2d239331ece347d9320b74ce80dd8db8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:52.147169Z","signature_b64":"qFKPS4HFA82Rv47qIPPRudMFzG37dWRLjBF9mmRbNHxvLWf6f71fnCwqOJXY9KCeJfR+nnu6Pg1B0GML/XIFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17bc8c4893ff1916d8aa8b5c4761e271c833034b4fb51b0b3ffa753317ba970e","last_reissued_at":"2026-05-18T04:11:52.146498Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:52.146498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Muon spin rotation studies of spin dynamics at avoided level crossings in LiY0.998Ho0.002F4","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. 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