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Collective excitations at magnetic QCPs give rise to metallic properties that strongly deviate from the expectations of Landau's Fermi liquid description, the standard theory of electron correlations in metals. Central to this theory is the notion of quasiparticles, electronic excitations which possess the quantum numbers of the bare electrons. Here we report measurements of thermal and electrical transport across the field-induced magnetic QCP in the heavy-fermion compound YbRh$_2$Si"},"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":"1307.1066","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-07-03T16:25:04Z","cross_cats_sorted":[],"title_canon_sha256":"e5cdfb94a439411958b6cdf44f24eeee75e43a668b0fbae8f2e4ec29fda5551d","abstract_canon_sha256":"603033d2ca9b24b1374c52cff39e2146658a991130ba7fd4afeb6bc08673268a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:22.981952Z","signature_b64":"APAOpSYe4DSqPO+/0lm+DFytsFWxQPIIJrJH/Oyops7n/yLhSZN7zcpaIHjKTPK/yc88r5vs4A4x9BDX/TM2DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93a52e878b0926720411b19498a3c5eb8c7aa4c0e2336aa6278ef223c7ad31a8","last_reissued_at":"2026-05-18T03:19:22.981378Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:22.981378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermal and Electrical Transport across a Magnetic Quantum Critical Point","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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