{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:6UFCIPR5ARX5M6NHYSHIJHYWYC","short_pith_number":"pith:6UFCIPR5","schema_version":"1.0","canonical_sha256":"f50a243e3d046fd679a7c48e849f16c0b1fd3f0b79afb460963e3ae76471640f","source":{"kind":"arxiv","id":"1506.00501","version":1},"attestation_state":"computed","paper":{"title":"Topological phases of the Kitaev-Hubbard Model at half-filling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"D. S\\'en\\'echal, J. P. L. Faye, S. R. Hassan","submitted_at":"2015-06-01T14:13:56Z","abstract_excerpt":"The Kitaev-Hubbard model of interacting fermions is defined on the honeycomb lattice and, at strong coupling, interpolates between the Heisenberg model and the Kitaev model. It is basically a Hubbard model with ordinary hopping $t$ and spin-dependent hopping $t'$. We study this model in the weak to intermediate coupling regime, at half-filling, using the Cellular Dynamical Impurity Approximation (CDIA), an approach related to Dynamical Mean Field Theory but based on Potthoff's variational principle. We identify four phases in the $(U,t')$ plane: two semi-metallic phases with different numbers "},"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":"1506.00501","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-01T14:13:56Z","cross_cats_sorted":[],"title_canon_sha256":"82a5ce65bbd5d9debfaef9dc8e20010a9d17a4d968c4a68170787733fe9f9e95","abstract_canon_sha256":"be363a2157b8e8039344721c1c4b4a9226c2ecc6e157034114db93779e9a6c79"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:00.306859Z","signature_b64":"kaX40/eG5axlNgxnjwCFOOSRQMlYU3v7+LIKb1VigzcHOa4X+FmxViRj/BiGjGkpM9B3OU1wBKJqN3nFt+jADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f50a243e3d046fd679a7c48e849f16c0b1fd3f0b79afb460963e3ae76471640f","last_reissued_at":"2026-05-18T01:55:00.306134Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:00.306134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological phases of the Kitaev-Hubbard Model at half-filling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"D. S\\'en\\'echal, J. P. L. Faye, S. R. Hassan","submitted_at":"2015-06-01T14:13:56Z","abstract_excerpt":"The Kitaev-Hubbard model of interacting fermions is defined on the honeycomb lattice and, at strong coupling, interpolates between the Heisenberg model and the Kitaev model. It is basically a Hubbard model with ordinary hopping $t$ and spin-dependent hopping $t'$. We study this model in the weak to intermediate coupling regime, at half-filling, using the Cellular Dynamical Impurity Approximation (CDIA), an approach related to Dynamical Mean Field Theory but based on Potthoff's variational principle. We identify four phases in the $(U,t')$ plane: two semi-metallic phases with different numbers "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00501","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":"1506.00501","created_at":"2026-05-18T01:55:00.306241+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.00501v1","created_at":"2026-05-18T01:55:00.306241+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00501","created_at":"2026-05-18T01:55:00.306241+00:00"},{"alias_kind":"pith_short_12","alias_value":"6UFCIPR5ARX5","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"6UFCIPR5ARX5M6NH","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"6UFCIPR5","created_at":"2026-05-18T12:29:07.941421+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/6UFCIPR5ARX5M6NHYSHIJHYWYC","json":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC.json","graph_json":"https://pith.science/api/pith-number/6UFCIPR5ARX5M6NHYSHIJHYWYC/graph.json","events_json":"https://pith.science/api/pith-number/6UFCIPR5ARX5M6NHYSHIJHYWYC/events.json","paper":"https://pith.science/paper/6UFCIPR5"},"agent_actions":{"view_html":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC","download_json":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC.json","view_paper":"https://pith.science/paper/6UFCIPR5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.00501&json=true","fetch_graph":"https://pith.science/api/pith-number/6UFCIPR5ARX5M6NHYSHIJHYWYC/graph.json","fetch_events":"https://pith.science/api/pith-number/6UFCIPR5ARX5M6NHYSHIJHYWYC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC/action/storage_attestation","attest_author":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC/action/author_attestation","sign_citation":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC/action/citation_signature","submit_replication":"https://pith.science/pith/6UFCIPR5ARX5M6NHYSHIJHYWYC/action/replication_record"}},"created_at":"2026-05-18T01:55:00.306241+00:00","updated_at":"2026-05-18T01:55:00.306241+00:00"}