{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:EOSJVPBPLXYT6GTNBR7QVN4CHF","short_pith_number":"pith:EOSJVPBP","schema_version":"1.0","canonical_sha256":"23a49abc2f5df13f1a6d0c7f0ab78239451d76f8e6fde8296157ccfb64f8127f","source":{"kind":"arxiv","id":"1805.04589","version":2},"attestation_state":"computed","paper":{"title":"Wiedemann-Franz law and abrupt change in conductivity across the pseudogap critical point of a cuprate superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Ataei, A. Gourgout, B. Michon, C. Collignon, F. Lalibert\\'e, J.-S. Zhou, Louis Taillefer, Nicolas Doiron-Leyraud, P. Bourgeois-Hope, S. Badoux, S. Y. Li","submitted_at":"2018-05-11T20:56:47Z","abstract_excerpt":"The thermal conductivity $\\kappa$ of the cuprate superconductor La$_{1.6-x}$Nd$_{0.4}$Sr$_x$CuO$_4$ was measured down to 50 mK in seven crystals with doping from $p=0.12$ to $p=0.24$, both in the superconducting state and in the magnetic field-induced normal state. We obtain the electronic residual linear term $\\kappa_0/T$ as $T \\to 0$ across the pseudogap critical point $p^{\\star}= 0.23$. In the normal state, we observe an abrupt drop in $\\kappa_0/T$ upon crossing below $p^{\\star}$, consistent with a drop in carrier density $n$ from $1 + p$ to $p$, the signature of the pseudogap phase inferre"},"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":"1805.04589","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-11T20:56:47Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"b186c52f4f49d26a54cb69c719616115dd507213793271dbf31874718f5146d7","abstract_canon_sha256":"5d31fdeba979f73ef03c2a179e948d1f5f3e5f66bf9f74431b41021cc15ecf0f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:34.719057Z","signature_b64":"+dd4LbuN9GaHqBt3dziXpUqar72hsg1FHtW8/W76TAhhHTdGuH7hrpQA2WkN8fD6S9swFixG0SXJzbFLRvY8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23a49abc2f5df13f1a6d0c7f0ab78239451d76f8e6fde8296157ccfb64f8127f","last_reissued_at":"2026-05-18T00:02:34.718629Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:34.718629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Wiedemann-Franz law and abrupt change in conductivity across the pseudogap critical point of a cuprate superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Ataei, A. Gourgout, B. Michon, C. Collignon, F. Lalibert\\'e, J.-S. Zhou, Louis Taillefer, Nicolas Doiron-Leyraud, P. Bourgeois-Hope, S. Badoux, S. Y. Li","submitted_at":"2018-05-11T20:56:47Z","abstract_excerpt":"The thermal conductivity $\\kappa$ of the cuprate superconductor La$_{1.6-x}$Nd$_{0.4}$Sr$_x$CuO$_4$ was measured down to 50 mK in seven crystals with doping from $p=0.12$ to $p=0.24$, both in the superconducting state and in the magnetic field-induced normal state. We obtain the electronic residual linear term $\\kappa_0/T$ as $T \\to 0$ across the pseudogap critical point $p^{\\star}= 0.23$. In the normal state, we observe an abrupt drop in $\\kappa_0/T$ upon crossing below $p^{\\star}$, consistent with a drop in carrier density $n$ from $1 + p$ to $p$, the signature of the pseudogap phase inferre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.04589","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1805.04589","created_at":"2026-05-18T00:02:34.718691+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.04589v2","created_at":"2026-05-18T00:02:34.718691+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.04589","created_at":"2026-05-18T00:02:34.718691+00:00"},{"alias_kind":"pith_short_12","alias_value":"EOSJVPBPLXYT","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"EOSJVPBPLXYT6GTN","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"EOSJVPBP","created_at":"2026-05-18T12:32:22.470017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF","json":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF.json","graph_json":"https://pith.science/api/pith-number/EOSJVPBPLXYT6GTNBR7QVN4CHF/graph.json","events_json":"https://pith.science/api/pith-number/EOSJVPBPLXYT6GTNBR7QVN4CHF/events.json","paper":"https://pith.science/paper/EOSJVPBP"},"agent_actions":{"view_html":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF","download_json":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF.json","view_paper":"https://pith.science/paper/EOSJVPBP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.04589&json=true","fetch_graph":"https://pith.science/api/pith-number/EOSJVPBPLXYT6GTNBR7QVN4CHF/graph.json","fetch_events":"https://pith.science/api/pith-number/EOSJVPBPLXYT6GTNBR7QVN4CHF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF/action/storage_attestation","attest_author":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF/action/author_attestation","sign_citation":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF/action/citation_signature","submit_replication":"https://pith.science/pith/EOSJVPBPLXYT6GTNBR7QVN4CHF/action/replication_record"}},"created_at":"2026-05-18T00:02:34.718691+00:00","updated_at":"2026-05-18T00:02:34.718691+00:00"}