{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:B56S6HH2JM6CP2HICSBEOKMS6T","short_pith_number":"pith:B56S6HH2","schema_version":"1.0","canonical_sha256":"0f7d2f1cfa4b3c27e8e81482472992f4de880fa81a9d2742745d4807c877dc00","source":{"kind":"arxiv","id":"1806.03818","version":1},"attestation_state":"computed","paper":{"title":"Unconventional superconductivity and an ambient-pressure magnetic quantum critical point in single-crystal LaNiC$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. Subero, F. Honda, I. Bonalde, J. F. Landaeta, P. Machado","submitted_at":"2018-06-11T05:44:37Z","abstract_excerpt":"Superconductivity in noncentrosymmetric LaNiC$_2$ is expected to be induced by electron--phonon interactions due to its lack of magnetic instabilities. The non-Bardeen-Cooper-Schrieffer (BCS) behaviors found in this material call into question the long-standing idea that relates unconventional superconductivity with magnetic interactions. Here we report magnetic penetration-depth measurements in a high-purity single crystal of LaNiC$_2$ at pressures up to 2.5 GPa and temperatures down to 0.04 K. At ambient pressure and below 0.5$T_c$ the penetration depth goes as $T^4$ for the in-plane and $T^"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1806.03818","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-11T05:44:37Z","cross_cats_sorted":[],"title_canon_sha256":"e1a6dda90b9fbac1639325a658276bb7ebde03dbe41b4d42a45c30eb1df6bdaa","abstract_canon_sha256":"4119c29556dd84418bc58693590b0031f33b874a0225cd94aefbe43a1bc396ee"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:42.000125Z","signature_b64":"j/g99LjhGjxx8m92ux3PI6oer7/e8OIg2JTYGWx5+Nfn44P3bCfCaUvy2bXv9TYVcbKn1iZskuZ1sYi242VVCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f7d2f1cfa4b3c27e8e81482472992f4de880fa81a9d2742745d4807c877dc00","last_reissued_at":"2026-05-18T00:13:41.999628Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:41.999628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unconventional superconductivity and an ambient-pressure magnetic quantum critical point in single-crystal LaNiC$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. Subero, F. Honda, I. Bonalde, J. F. Landaeta, P. Machado","submitted_at":"2018-06-11T05:44:37Z","abstract_excerpt":"Superconductivity in noncentrosymmetric LaNiC$_2$ is expected to be induced by electron--phonon interactions due to its lack of magnetic instabilities. The non-Bardeen-Cooper-Schrieffer (BCS) behaviors found in this material call into question the long-standing idea that relates unconventional superconductivity with magnetic interactions. Here we report magnetic penetration-depth measurements in a high-purity single crystal of LaNiC$_2$ at pressures up to 2.5 GPa and temperatures down to 0.04 K. At ambient pressure and below 0.5$T_c$ the penetration depth goes as $T^4$ for the in-plane and $T^"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03818","kind":"arxiv","version":1},"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":"1806.03818","created_at":"2026-05-18T00:13:41.999707+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.03818v1","created_at":"2026-05-18T00:13:41.999707+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03818","created_at":"2026-05-18T00:13:41.999707+00:00"},{"alias_kind":"pith_short_12","alias_value":"B56S6HH2JM6C","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"B56S6HH2JM6CP2HI","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"B56S6HH2","created_at":"2026-05-18T12:32:13.499390+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/B56S6HH2JM6CP2HICSBEOKMS6T","json":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T.json","graph_json":"https://pith.science/api/pith-number/B56S6HH2JM6CP2HICSBEOKMS6T/graph.json","events_json":"https://pith.science/api/pith-number/B56S6HH2JM6CP2HICSBEOKMS6T/events.json","paper":"https://pith.science/paper/B56S6HH2"},"agent_actions":{"view_html":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T","download_json":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T.json","view_paper":"https://pith.science/paper/B56S6HH2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.03818&json=true","fetch_graph":"https://pith.science/api/pith-number/B56S6HH2JM6CP2HICSBEOKMS6T/graph.json","fetch_events":"https://pith.science/api/pith-number/B56S6HH2JM6CP2HICSBEOKMS6T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T/action/storage_attestation","attest_author":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T/action/author_attestation","sign_citation":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T/action/citation_signature","submit_replication":"https://pith.science/pith/B56S6HH2JM6CP2HICSBEOKMS6T/action/replication_record"}},"created_at":"2026-05-18T00:13:41.999707+00:00","updated_at":"2026-05-18T00:13:41.999707+00:00"}