{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:4ST273TN5F6JLOTJGNBYEMMBY5","short_pith_number":"pith:4ST273TN","schema_version":"1.0","canonical_sha256":"e4a7afee6de97c95ba693343823181c7487a84dfc011e344050cdfb2628c8b1a","source":{"kind":"arxiv","id":"0804.0792","version":1},"attestation_state":"computed","paper":{"title":"Correlation effects in the electronic structure of Mn$_4$ molecular magnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. I. Lichtenstein, B. N. Harmon, D. W. Boukhvalov, J. L. Musfeldt, L. I. Vergara, M. I. Katsnelson, P. K\\\"ogerler, V. V. Dobrovitski","submitted_at":"2008-04-04T18:02:44Z","abstract_excerpt":"We present joint theoretical-experimental study of the correlation effects in the electronic structure of (pyH)$_3$[Mn$_4$O$_3$Cl$_7$(OAc)$_3$]$\\cdot$2MeCN molecular magnet (Mn$_4$). Describing the many-body effects by cluster dynamical mean-field theory, we find that Mn$_4$ is predominantly Hubbard insulator with strong electron correlations. The calculated electron gap (1.8 eV) agrees well with the results of optical conductivity measurements, while other methods, which neglect many-body effects or treat them in a simplified manner, do not provide such an agreement. Strong electron correlati"},"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":"0804.0792","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-04-04T18:02:44Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"262c5cd8326ee010257a44d28afce920b05ca79fd2cab9ecfbd00e6f66907511","abstract_canon_sha256":"e5505a94c22d2200500bf3982c7835b37c37ca58b1772b008baed6dc2eb77822"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:42.395534Z","signature_b64":"n+YRzNY9visfZl6/B2qIJ1dRWZ1q9bKGtG8m1TBxzcm6kuHALBEm27I5isp6xTK4R/iJ1iWT4TZSc/uGYxqZAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4a7afee6de97c95ba693343823181c7487a84dfc011e344050cdfb2628c8b1a","last_reissued_at":"2026-05-18T04:31:42.395063Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:42.395063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Correlation effects in the electronic structure of Mn$_4$ molecular magnet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. I. Lichtenstein, B. N. Harmon, D. W. Boukhvalov, J. L. Musfeldt, L. I. Vergara, M. I. Katsnelson, P. K\\\"ogerler, V. V. Dobrovitski","submitted_at":"2008-04-04T18:02:44Z","abstract_excerpt":"We present joint theoretical-experimental study of the correlation effects in the electronic structure of (pyH)$_3$[Mn$_4$O$_3$Cl$_7$(OAc)$_3$]$\\cdot$2MeCN molecular magnet (Mn$_4$). Describing the many-body effects by cluster dynamical mean-field theory, we find that Mn$_4$ is predominantly Hubbard insulator with strong electron correlations. The calculated electron gap (1.8 eV) agrees well with the results of optical conductivity measurements, while other methods, which neglect many-body effects or treat them in a simplified manner, do not provide such an agreement. Strong electron correlati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.0792","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":"0804.0792","created_at":"2026-05-18T04:31:42.395140+00:00"},{"alias_kind":"arxiv_version","alias_value":"0804.0792v1","created_at":"2026-05-18T04:31:42.395140+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.0792","created_at":"2026-05-18T04:31:42.395140+00:00"},{"alias_kind":"pith_short_12","alias_value":"4ST273TN5F6J","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"4ST273TN5F6JLOTJ","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"4ST273TN","created_at":"2026-05-18T12:25:56.245647+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/4ST273TN5F6JLOTJGNBYEMMBY5","json":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5.json","graph_json":"https://pith.science/api/pith-number/4ST273TN5F6JLOTJGNBYEMMBY5/graph.json","events_json":"https://pith.science/api/pith-number/4ST273TN5F6JLOTJGNBYEMMBY5/events.json","paper":"https://pith.science/paper/4ST273TN"},"agent_actions":{"view_html":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5","download_json":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5.json","view_paper":"https://pith.science/paper/4ST273TN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0804.0792&json=true","fetch_graph":"https://pith.science/api/pith-number/4ST273TN5F6JLOTJGNBYEMMBY5/graph.json","fetch_events":"https://pith.science/api/pith-number/4ST273TN5F6JLOTJGNBYEMMBY5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5/action/storage_attestation","attest_author":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5/action/author_attestation","sign_citation":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5/action/citation_signature","submit_replication":"https://pith.science/pith/4ST273TN5F6JLOTJGNBYEMMBY5/action/replication_record"}},"created_at":"2026-05-18T04:31:42.395140+00:00","updated_at":"2026-05-18T04:31:42.395140+00:00"}