{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:RDDETC64XPM57O3INTROINCIWK","short_pith_number":"pith:RDDETC64","schema_version":"1.0","canonical_sha256":"88c6498bdcbbd9dfbb686ce2e43448b284012fff3b8031dcff0d5ecf0ea2705e","source":{"kind":"arxiv","id":"1412.7016","version":1},"attestation_state":"computed","paper":{"title":"Camelback-shaped band reconciles heavy electron behavior with weak electronic Coulomb correlations in superconducting TlNi2Se2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"A. van Roekeghem, C. E. Matt, D. Chen, Hangdong Wang, H. Ding, H. W. Liu, Jianhua Du, J. Mesot, Minghu Fang, M. Radovic, M. Shi, N. C. Plumb, N. Xu, P. Richard, Qianhui Mao, S. Biermann, S.-F. Wu, T. Qian, X. Shi","submitted_at":"2014-12-22T15:12:05Z","abstract_excerpt":"Using high-resolution photoemission spectroscopy and first-principles calculations, we characterize superconducting TlNi$_2$Se$_2$ as a material with weak electronic Coulomb correlations leading to a bandwidth renormalization of 1.4. We identify a camelback-shaped band, whose energetic position strongly depends on the selenium height. While this feature is universal in transition metal pnictides, in TlNi$_2$Se$_2$ it lies in the immediate vicinity of the Fermi level, giving rise to a pronounced van Hove singularity. The resulting heavy band mass resolves the apparent puzzle of a large normal-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":"1412.7016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-12-22T15:12:05Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"9699ef2b2ff184050f7627721eb9f44b12a79d9e716b540b9e5285c1af2eaee9","abstract_canon_sha256":"5a975e5f1f5f92a54c4bb79f6f758d330387be3d0e018f9f1996d29f2e7fc3a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:25.048188Z","signature_b64":"hqfeypiaCYaVZD9Mz/zGPECVdK0SKmpajXXt8DRS3Ri5oMMBb7NqTrAqLatjnpIjn4ampCRCfe/u56hoo73nDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88c6498bdcbbd9dfbb686ce2e43448b284012fff3b8031dcff0d5ecf0ea2705e","last_reissued_at":"2026-05-18T01:34:25.047802Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:25.047802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Camelback-shaped band reconciles heavy electron behavior with weak electronic Coulomb correlations in superconducting TlNi2Se2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"A. van Roekeghem, C. E. Matt, D. Chen, Hangdong Wang, H. Ding, H. W. Liu, Jianhua Du, J. Mesot, Minghu Fang, M. Radovic, M. Shi, N. C. Plumb, N. Xu, P. Richard, Qianhui Mao, S. Biermann, S.-F. Wu, T. Qian, X. Shi","submitted_at":"2014-12-22T15:12:05Z","abstract_excerpt":"Using high-resolution photoemission spectroscopy and first-principles calculations, we characterize superconducting TlNi$_2$Se$_2$ as a material with weak electronic Coulomb correlations leading to a bandwidth renormalization of 1.4. We identify a camelback-shaped band, whose energetic position strongly depends on the selenium height. While this feature is universal in transition metal pnictides, in TlNi$_2$Se$_2$ it lies in the immediate vicinity of the Fermi level, giving rise to a pronounced van Hove singularity. The resulting heavy band mass resolves the apparent puzzle of a large normal-s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7016","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":"1412.7016","created_at":"2026-05-18T01:34:25.047853+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.7016v1","created_at":"2026-05-18T01:34:25.047853+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7016","created_at":"2026-05-18T01:34:25.047853+00:00"},{"alias_kind":"pith_short_12","alias_value":"RDDETC64XPM5","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_16","alias_value":"RDDETC64XPM57O3I","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_8","alias_value":"RDDETC64","created_at":"2026-05-18T12:28:46.137349+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/RDDETC64XPM57O3INTROINCIWK","json":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK.json","graph_json":"https://pith.science/api/pith-number/RDDETC64XPM57O3INTROINCIWK/graph.json","events_json":"https://pith.science/api/pith-number/RDDETC64XPM57O3INTROINCIWK/events.json","paper":"https://pith.science/paper/RDDETC64"},"agent_actions":{"view_html":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK","download_json":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK.json","view_paper":"https://pith.science/paper/RDDETC64","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.7016&json=true","fetch_graph":"https://pith.science/api/pith-number/RDDETC64XPM57O3INTROINCIWK/graph.json","fetch_events":"https://pith.science/api/pith-number/RDDETC64XPM57O3INTROINCIWK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK/action/storage_attestation","attest_author":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK/action/author_attestation","sign_citation":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK/action/citation_signature","submit_replication":"https://pith.science/pith/RDDETC64XPM57O3INTROINCIWK/action/replication_record"}},"created_at":"2026-05-18T01:34:25.047853+00:00","updated_at":"2026-05-18T01:34:25.047853+00:00"}