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Comparison with exact solutions for the specific heat of a quartet ground state split into two doublets shows deviations below $10\\%$ in absence of CFE and a quantitative agreement for moderate or large CFE. As an application, we fit the measured specific heat of the compounds CeCu$_2$Ge$_2$, CePd$_{3}$Si$_{0.3}$, CePdAl, CePt, Yb$_2$Pd$_2$S"},"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":"1308.3256","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-14T21:33:35Z","cross_cats_sorted":[],"title_canon_sha256":"bda29d6e96fb24df0d456d78b9994d4a0fed1b74ec33c50c51b3a145365c609a","abstract_canon_sha256":"25e86c821fa93ac5e2dc48325ee17c28d7107ef984659d4de524b01a182423c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:04:59.262182Z","signature_b64":"VpVfsj5uTQbz0S55V9mMUHeAAO1TY5KPhcVJSrpdRCvdND5dYDel8CdKI3O2YstAUioS7ANCTfMt5Epn1Xc9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad31d78a36358c654b349cb184e227ee472eafb04fa824bb381b3db2918fdc8a","last_reissued_at":"2026-05-18T03:04:59.260553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:04:59.260553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interpretation of experimental results on Kondo systems with crystal field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. 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