{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:4LMZISP2LTLI5WXRPBSF5RKDWJ","short_pith_number":"pith:4LMZISP2","schema_version":"1.0","canonical_sha256":"e2d99449fa5cd68edaf178645ec543b268c9bf41d26bbcf95c1630a35e7b6b8a","source":{"kind":"arxiv","id":"1202.5814","version":2},"attestation_state":"computed","paper":{"title":"Benchmark of a modified Iterated Perturbation Theory approach on the 3d FCC lattice at strong coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A.-M. S. Tremblay, Louis-Francois Arsenault, Patrick Semon","submitted_at":"2012-02-27T02:15:31Z","abstract_excerpt":"The Dynamical Mean-Field theory (DMFT) approach to the Hubbard model requires a method to solve the problem of a quantum impurity in a bath of non-interacting electrons. Iterated Perturbation Theory (IPT) has proven its effectiveness as a solver in many cases of interest. Based on general principles and on comparisons with an essentially exact Continuous-Time Quantum Monte Carlo (CTQMC) solver, here we show that the standard implementation of IPT fails away from half-filling when the interaction strength is much larger than the bandwidth. We propose a slight modification to the IPT algorithm t"},"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":"1202.5814","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-27T02:15:31Z","cross_cats_sorted":[],"title_canon_sha256":"2e7e8fcd7aaf226d0dbd734b248fb43403f58a4447cabad2a54b2df39527d2f1","abstract_canon_sha256":"6b12472fa7c9f2d8f1c38e0699063aea46282333feec6a993d9741976c154472"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:11.551690Z","signature_b64":"8BX7EXLizqaaAPrdk8L94mKXCMx0StRHnsj+IVtp/URwo96u9ILWfFAyTHOVfClWpNpkNgu9jIECoUKfLUl7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2d99449fa5cd68edaf178645ec543b268c9bf41d26bbcf95c1630a35e7b6b8a","last_reissued_at":"2026-05-18T03:23:11.550833Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:11.550833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Benchmark of a modified Iterated Perturbation Theory approach on the 3d FCC lattice at strong coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A.-M. S. Tremblay, Louis-Francois Arsenault, Patrick Semon","submitted_at":"2012-02-27T02:15:31Z","abstract_excerpt":"The Dynamical Mean-Field theory (DMFT) approach to the Hubbard model requires a method to solve the problem of a quantum impurity in a bath of non-interacting electrons. Iterated Perturbation Theory (IPT) has proven its effectiveness as a solver in many cases of interest. Based on general principles and on comparisons with an essentially exact Continuous-Time Quantum Monte Carlo (CTQMC) solver, here we show that the standard implementation of IPT fails away from half-filling when the interaction strength is much larger than the bandwidth. We propose a slight modification to the IPT algorithm t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5814","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":""},"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":"1202.5814","created_at":"2026-05-18T03:23:11.550994+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.5814v2","created_at":"2026-05-18T03:23:11.550994+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5814","created_at":"2026-05-18T03:23:11.550994+00:00"},{"alias_kind":"pith_short_12","alias_value":"4LMZISP2LTLI","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_16","alias_value":"4LMZISP2LTLI5WXR","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_8","alias_value":"4LMZISP2","created_at":"2026-05-18T12:26:53.410803+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/4LMZISP2LTLI5WXRPBSF5RKDWJ","json":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ.json","graph_json":"https://pith.science/api/pith-number/4LMZISP2LTLI5WXRPBSF5RKDWJ/graph.json","events_json":"https://pith.science/api/pith-number/4LMZISP2LTLI5WXRPBSF5RKDWJ/events.json","paper":"https://pith.science/paper/4LMZISP2"},"agent_actions":{"view_html":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ","download_json":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ.json","view_paper":"https://pith.science/paper/4LMZISP2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.5814&json=true","fetch_graph":"https://pith.science/api/pith-number/4LMZISP2LTLI5WXRPBSF5RKDWJ/graph.json","fetch_events":"https://pith.science/api/pith-number/4LMZISP2LTLI5WXRPBSF5RKDWJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ/action/storage_attestation","attest_author":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ/action/author_attestation","sign_citation":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ/action/citation_signature","submit_replication":"https://pith.science/pith/4LMZISP2LTLI5WXRPBSF5RKDWJ/action/replication_record"}},"created_at":"2026-05-18T03:23:11.550994+00:00","updated_at":"2026-05-18T03:23:11.550994+00:00"}