{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:GTHIKNK47FV3FLF5NSX4ER62DD","short_pith_number":"pith:GTHIKNK4","schema_version":"1.0","canonical_sha256":"34ce85355cf96bb2acbd6cafc247da18fc7aeac11e03ec73086fc902b2c37b80","source":{"kind":"arxiv","id":"1805.10996","version":1},"attestation_state":"computed","paper":{"title":"Impact of self-consistency in dual fermion calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Karsten Held, Patrik Gunacker, Tin Ribic","submitted_at":"2018-05-28T16:00:53Z","abstract_excerpt":"The dual fermion (DF) method allows for calculating corrections due to non-local correlations relative to an effective impurity model. Choosing the impurity as that of a dynamical mean field theory (DMFT) solution at self-consistency is popular, and the corrections from dual fermion theory are physically meaningful. We investigate the effect of choosing the impurity instead in a self-consistent manner and find for the two dimensional Hubbard model an exponentially increase of the correlation length and susceptibility at low temperatures. There are pronounced differences for the two self-consis"},"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":"1805.10996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-05-28T16:00:53Z","cross_cats_sorted":[],"title_canon_sha256":"e6838e5070daec13d0fdb63ae31cd97d86ff90c1b38af5e6ed1539a9d09e8e70","abstract_canon_sha256":"06c3d9ea469f4cf3d24dc1a87aa6eda953a584d5b5ca1fcf52428a5407550b92"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:01.957457Z","signature_b64":"MSHYsYCahwPz8c6plkMCMvMvxlq5WcSDoSgF/g+LFuu/7S5dpMPJr7RhWIgaVVDj0F+g+vfF6VRwQHhftDloAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34ce85355cf96bb2acbd6cafc247da18fc7aeac11e03ec73086fc902b2c37b80","last_reissued_at":"2026-05-18T00:06:01.956847Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:01.956847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Impact of self-consistency in dual fermion calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Karsten Held, Patrik Gunacker, Tin Ribic","submitted_at":"2018-05-28T16:00:53Z","abstract_excerpt":"The dual fermion (DF) method allows for calculating corrections due to non-local correlations relative to an effective impurity model. Choosing the impurity as that of a dynamical mean field theory (DMFT) solution at self-consistency is popular, and the corrections from dual fermion theory are physically meaningful. We investigate the effect of choosing the impurity instead in a self-consistent manner and find for the two dimensional Hubbard model an exponentially increase of the correlation length and susceptibility at low temperatures. There are pronounced differences for the two self-consis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.10996","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":"1805.10996","created_at":"2026-05-18T00:06:01.956930+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.10996v1","created_at":"2026-05-18T00:06:01.956930+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.10996","created_at":"2026-05-18T00:06:01.956930+00:00"},{"alias_kind":"pith_short_12","alias_value":"GTHIKNK47FV3","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"GTHIKNK47FV3FLF5","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"GTHIKNK4","created_at":"2026-05-18T12:32:25.280505+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/GTHIKNK47FV3FLF5NSX4ER62DD","json":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD.json","graph_json":"https://pith.science/api/pith-number/GTHIKNK47FV3FLF5NSX4ER62DD/graph.json","events_json":"https://pith.science/api/pith-number/GTHIKNK47FV3FLF5NSX4ER62DD/events.json","paper":"https://pith.science/paper/GTHIKNK4"},"agent_actions":{"view_html":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD","download_json":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD.json","view_paper":"https://pith.science/paper/GTHIKNK4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.10996&json=true","fetch_graph":"https://pith.science/api/pith-number/GTHIKNK47FV3FLF5NSX4ER62DD/graph.json","fetch_events":"https://pith.science/api/pith-number/GTHIKNK47FV3FLF5NSX4ER62DD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD/action/storage_attestation","attest_author":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD/action/author_attestation","sign_citation":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD/action/citation_signature","submit_replication":"https://pith.science/pith/GTHIKNK47FV3FLF5NSX4ER62DD/action/replication_record"}},"created_at":"2026-05-18T00:06:01.956930+00:00","updated_at":"2026-05-18T00:06:01.956930+00:00"}