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Nd has a well localized {\\it 4f}$^{3}$ {\\it J} = 9/2 Hund's Rule configuration which is not anticipated to be Kondo coupled to the conduction electrons in LaB$_6$. We conjecture that the unexpected Kondo effect arises via participation of {\\it 4f} quadrupolar degrees of freedom of the Nd crystal field ground state quartet."},"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":"1206.4817","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-06-21T09:44:48Z","cross_cats_sorted":[],"title_canon_sha256":"bb7516a031666ff64a987b665d2de7b23dfa664aa62583120a07b244debab5be","abstract_canon_sha256":"ed27b39d456cfdd07c080966683c6fa1199cd6794080c2492ee769bdcc714d0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:54.349850Z","signature_b64":"KFn0b/hLf4kFKaXmFQd21in+vb1Uy3QmsCSnKZo4gudLn/K08g8Qc/SvoISY8Ns5Dk45+vBeASHCgWfFyRkTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc85168d6ab1a9895c53afb956bd4135e3ccd3ed2530e3b49b5d3f2d9bf28e35","last_reissued_at":"2026-05-18T03:52:54.349102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:54.349102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Kondo Physics in a Rare Earth Ion with Well Localized 4f Electrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Jolanta Stankiewicz, Lev P. 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