{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:H7JQPJ2XFDHOPHFJGR7PSJKOYB","short_pith_number":"pith:H7JQPJ2X","schema_version":"1.0","canonical_sha256":"3fd307a75728cee79ca9347ef9254ec07884352d3db8a389ace56215c11c2014","source":{"kind":"arxiv","id":"2104.02992","version":1},"attestation_state":"computed","paper":{"title":"Quantum phase transitions and superconductivity in the pressurized heavy-fermion compound CeCuP2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Binglin Pan, Chuchu Zhu, Darren C. Peets, Erjian Cheng, Jiamin Ni, Linshu Wang, Shiyan Li, Tianping Ying, Yeyu Huang, Yi-feng Yang, Yuanji Xu","submitted_at":"2021-04-07T08:42:05Z","abstract_excerpt":"The tilted balance among competing interactions can yield a rich variety of ground states of quantum matter. In most Ce-based heavy fermion systems, this can often be qualitatively described by the famous Doniach phase diagram, owing to the competition between the Kondo screening and the Ruderman-Kittel-Kasuya-Yoshida exchange interaction. Here, we report an unusual pressure-temperature phase diagram beyond the Doniach one in CeCuP2. At ambient pressure, CeCuP2 displays typical heavy-fermion behavior, albeit with a very low carrier density. With lowering temperature, it shows a crossover from "},"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":"2104.02992","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-04-07T08:42:05Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.supr-con"],"title_canon_sha256":"7252a8176be53d45266b81e5cbce5fbd5b3e2b4fada9f471289000324da06ee7","abstract_canon_sha256":"46a665dd25be34d886844f3288978b7a8e5fc40641bb5a3991f0b30f2e1a7c1e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:30:01.719502Z","signature_b64":"hw25FsbH6ISJabxk6wxaotChWVRqRpDL1Yvz/KQvYANgtjlHuaCOfVCz/pqgloQYMvjaId0M8amunrGFkcVdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3fd307a75728cee79ca9347ef9254ec07884352d3db8a389ace56215c11c2014","last_reissued_at":"2026-07-05T02:30:01.719106Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:30:01.719106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum phase transitions and superconductivity in the pressurized heavy-fermion compound CeCuP2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Binglin Pan, Chuchu Zhu, Darren C. Peets, Erjian Cheng, Jiamin Ni, Linshu Wang, Shiyan Li, Tianping Ying, Yeyu Huang, Yi-feng Yang, Yuanji Xu","submitted_at":"2021-04-07T08:42:05Z","abstract_excerpt":"The tilted balance among competing interactions can yield a rich variety of ground states of quantum matter. In most Ce-based heavy fermion systems, this can often be qualitatively described by the famous Doniach phase diagram, owing to the competition between the Kondo screening and the Ruderman-Kittel-Kasuya-Yoshida exchange interaction. Here, we report an unusual pressure-temperature phase diagram beyond the Doniach one in CeCuP2. At ambient pressure, CeCuP2 displays typical heavy-fermion behavior, albeit with a very low carrier density. With lowering temperature, it shows a crossover from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.02992","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2104.02992/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2104.02992","created_at":"2026-07-05T02:30:01.719172+00:00"},{"alias_kind":"arxiv_version","alias_value":"2104.02992v1","created_at":"2026-07-05T02:30:01.719172+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.02992","created_at":"2026-07-05T02:30:01.719172+00:00"},{"alias_kind":"pith_short_12","alias_value":"H7JQPJ2XFDHO","created_at":"2026-07-05T02:30:01.719172+00:00"},{"alias_kind":"pith_short_16","alias_value":"H7JQPJ2XFDHOPHFJ","created_at":"2026-07-05T02:30:01.719172+00:00"},{"alias_kind":"pith_short_8","alias_value":"H7JQPJ2X","created_at":"2026-07-05T02:30:01.719172+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/H7JQPJ2XFDHOPHFJGR7PSJKOYB","json":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB.json","graph_json":"https://pith.science/api/pith-number/H7JQPJ2XFDHOPHFJGR7PSJKOYB/graph.json","events_json":"https://pith.science/api/pith-number/H7JQPJ2XFDHOPHFJGR7PSJKOYB/events.json","paper":"https://pith.science/paper/H7JQPJ2X"},"agent_actions":{"view_html":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB","download_json":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB.json","view_paper":"https://pith.science/paper/H7JQPJ2X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2104.02992&json=true","fetch_graph":"https://pith.science/api/pith-number/H7JQPJ2XFDHOPHFJGR7PSJKOYB/graph.json","fetch_events":"https://pith.science/api/pith-number/H7JQPJ2XFDHOPHFJGR7PSJKOYB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB/action/storage_attestation","attest_author":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB/action/author_attestation","sign_citation":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB/action/citation_signature","submit_replication":"https://pith.science/pith/H7JQPJ2XFDHOPHFJGR7PSJKOYB/action/replication_record"}},"created_at":"2026-07-05T02:30:01.719172+00:00","updated_at":"2026-07-05T02:30:01.719172+00:00"}