{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:JMBZNCA2ECSIXHUIY6DH53K4QG","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7355cb4980f07255e5bda67b6cbd5b23e1105e213453d83c6f79988722f39c38","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-04-09T03:17:18Z","title_canon_sha256":"9c2b07b393d14e73390de4ebd6bf4c383242ba0d25651b50d9411afa73b56497"},"schema_version":"1.0","source":{"id":"0704.1048","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0704.1048","created_at":"2026-05-18T04:09:24Z"},{"alias_kind":"arxiv_version","alias_value":"0704.1048v2","created_at":"2026-05-18T04:09:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0704.1048","created_at":"2026-05-18T04:09:24Z"},{"alias_kind":"pith_short_12","alias_value":"JMBZNCA2ECSI","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"JMBZNCA2ECSIXHUI","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"JMBZNCA2","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:bdadeee3aac41a9dd660279e04ddaa3bb7ac72623b53bfdca041712f23380839","target":"graph","created_at":"2026-05-18T04:09:24Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We report an angular resolved photoemission study of Na0.73CoO2 where it is found that the renormalization of the quasiparticle (QP) dispersion changes dramatically upon a rotation from GM to GK. The comparison of the experimental data to the calculated band structure reveals that the QP-renormalization is most pronounced along the GK-direction, while it is significantly weaker along the GM-direction. We discuss the observed anisotropy in terms of multiorbital effects and point out the relevance of magnetic correlations for the band structure of Na0.73CoO2.","authors_text":"A.A. Kordyuk, A. Koitzsch, B. Buechner, H. Berger, H. Eschrig, J. Fink, J. Geck, K. Koepernik, M. Knupfer, S.V. Borisenko, V.B. Zabolotnyy","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-04-09T03:17:18Z","title":"Anisotropic quasiparticle renormalization in Na0.73CoO2: role of inter-orbital interactions and magnetic correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0704.1048","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7b1cd37e2317ace00131871e320510e8a4ee273986de7496a1bc77aaa6c0dae3","target":"record","created_at":"2026-05-18T04:09:24Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7355cb4980f07255e5bda67b6cbd5b23e1105e213453d83c6f79988722f39c38","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-04-09T03:17:18Z","title_canon_sha256":"9c2b07b393d14e73390de4ebd6bf4c383242ba0d25651b50d9411afa73b56497"},"schema_version":"1.0","source":{"id":"0704.1048","kind":"arxiv","version":2}},"canonical_sha256":"4b0396881a20a48b9e88c7867eed5c81a0880cab4d9f19e456705e83405a15ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b0396881a20a48b9e88c7867eed5c81a0880cab4d9f19e456705e83405a15ab","first_computed_at":"2026-05-18T04:09:24.206011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:09:24.206011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"awWXZbZc/GRbyJHOy5YdfdRL5IW7LZbo7eAqOl30ik3m68Gq9tAJGEbfSX7Uf0tSySGfHEcNw6vfJsE/WUlQAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:09:24.206585Z","signed_message":"canonical_sha256_bytes"},"source_id":"0704.1048","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b1cd37e2317ace00131871e320510e8a4ee273986de7496a1bc77aaa6c0dae3","sha256:bdadeee3aac41a9dd660279e04ddaa3bb7ac72623b53bfdca041712f23380839"],"state_sha256":"063ad76a811507039a4901292ebe9b8fdbc14bb8d6be4b6a42ab4cc5102c69f1"}