{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:KEDIZ3XCXZNQZL7MLCMN7PQ4YX","short_pith_number":"pith:KEDIZ3XC","schema_version":"1.0","canonical_sha256":"51068ceee2be5b0cafec5898dfbe1cc5f6c361be2a93b8bc38d16261bc37f31e","source":{"kind":"arxiv","id":"1910.03525","version":2},"attestation_state":"computed","paper":{"title":"Dual parquet scheme for the two-dimensional Hubbard model: modelling low-energy physics of high-$T_c$ cuprates with high momentum resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A.N. Rubtsov, G. Rohringer, G.V. Astretsov","submitted_at":"2019-10-08T16:31:26Z","abstract_excerpt":"We present a new method to treat the two-dimensional (2D) Hubbard model for parameter regimes which are relevant for the physics of the high-$T_c$ superconducting cuprates. Unlike previous attempts to attack this problem, our new approach takes into account all fluctuations in different channels on equal footing and is able to treat reasonable large lattice sizes up to 32x32. This is achieved by the following three-step procedure: (i) We transform the original problem to a new representation (dual fermions) in which all purely local correlation effects from the dynamical mean field theory are "},"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":"1910.03525","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-10-08T16:31:26Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"82e158e5105c5adb84f424cbf7e801dc51551add1e0d04cf5f948c6f11c280a9","abstract_canon_sha256":"53ee428927dcf9dd2b9ad08fecc6d53b9060c6c4ff795159e8ee81dfa17bbfb4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:40:14.981642Z","signature_b64":"hpeQc8oJMqOcRDabeRg7X1Ep/3aldLGHJz0VKMeUrHIvQISZNppz6+y3v+zuHorH9qgL4Xb/YhbR6ate7sdfBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51068ceee2be5b0cafec5898dfbe1cc5f6c361be2a93b8bc38d16261bc37f31e","last_reissued_at":"2026-07-05T00:40:14.981198Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:40:14.981198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dual parquet scheme for the two-dimensional Hubbard model: modelling low-energy physics of high-$T_c$ cuprates with high momentum resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A.N. Rubtsov, G. Rohringer, G.V. Astretsov","submitted_at":"2019-10-08T16:31:26Z","abstract_excerpt":"We present a new method to treat the two-dimensional (2D) Hubbard model for parameter regimes which are relevant for the physics of the high-$T_c$ superconducting cuprates. Unlike previous attempts to attack this problem, our new approach takes into account all fluctuations in different channels on equal footing and is able to treat reasonable large lattice sizes up to 32x32. This is achieved by the following three-step procedure: (i) We transform the original problem to a new representation (dual fermions) in which all purely local correlation effects from the dynamical mean field theory are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.03525","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.03525/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1910.03525","created_at":"2026-07-05T00:40:14.981261+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.03525v2","created_at":"2026-07-05T00:40:14.981261+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.03525","created_at":"2026-07-05T00:40:14.981261+00:00"},{"alias_kind":"pith_short_12","alias_value":"KEDIZ3XCXZNQ","created_at":"2026-07-05T00:40:14.981261+00:00"},{"alias_kind":"pith_short_16","alias_value":"KEDIZ3XCXZNQZL7M","created_at":"2026-07-05T00:40:14.981261+00:00"},{"alias_kind":"pith_short_8","alias_value":"KEDIZ3XC","created_at":"2026-07-05T00:40:14.981261+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1909.02793","citing_title":"Parquet-like equations for the Hedin three-leg vertex","ref_index":84,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX","json":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX.json","graph_json":"https://pith.science/api/pith-number/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/graph.json","events_json":"https://pith.science/api/pith-number/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/events.json","paper":"https://pith.science/paper/KEDIZ3XC"},"agent_actions":{"view_html":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX","download_json":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX.json","view_paper":"https://pith.science/paper/KEDIZ3XC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.03525&json=true","fetch_graph":"https://pith.science/api/pith-number/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/graph.json","fetch_events":"https://pith.science/api/pith-number/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/action/storage_attestation","attest_author":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/action/author_attestation","sign_citation":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/action/citation_signature","submit_replication":"https://pith.science/pith/KEDIZ3XCXZNQZL7MLCMN7PQ4YX/action/replication_record"}},"created_at":"2026-07-05T00:40:14.981261+00:00","updated_at":"2026-07-05T00:40:14.981261+00:00"}