{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:7GYAXQFODN3CIGVQK2G5P3HXH6","short_pith_number":"pith:7GYAXQFO","schema_version":"1.0","canonical_sha256":"f9b00bc0ae1b76241ab0568dd7ecf73f8d61d99fec5ba65084cac0f3188bf2d1","source":{"kind":"arxiv","id":"2404.15844","version":2},"attestation_state":"computed","paper":{"title":"Partial Renormalization of Quasiparticle Interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas","hep-th"],"primary_cat":"cond-mat.str-el","authors_text":"Kun Chen","submitted_at":"2024-04-24T12:42:12Z","abstract_excerpt":"Nonlocal effective interactions are inherent to non-relativistic quantum many-body systems, but their systematic resummation poses a significant challenge known as the ``vertex problem\" in many-body perturbation theory. We introduce a renormalization scheme based on a projection-based renormalization condition that selectively resums the most essential nonlocal contributions to the effective interaction vertex, avoiding the computational complexity of the full vertex function. This enables us to derive a renormalized Feynman diagrammatic series with large parameters canceled by counter-diagram"},"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":"2404.15844","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-04-24T12:42:12Z","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"title_canon_sha256":"5b53322c0cdf720c8e385a91dd92d1a361262e1fdff2677568480b928b904fd6","abstract_canon_sha256":"2e3a30e5a9cb450a78e4a4bae25dd3e353ecc48e82ac1450b83d7b0020ea6d3c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:46:24.496621Z","signature_b64":"Q9kLLoH9FNhMYOl4nKZCybj/hLbANa3btyvr4q6pCyq215fmxWbh7NiXOOtxRT1sJyToaa47M2JUJ+uY6d9XBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9b00bc0ae1b76241ab0568dd7ecf73f8d61d99fec5ba65084cac0f3188bf2d1","last_reissued_at":"2026-07-05T08:46:24.496135Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:46:24.496135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Partial Renormalization of Quasiparticle Interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas","hep-th"],"primary_cat":"cond-mat.str-el","authors_text":"Kun Chen","submitted_at":"2024-04-24T12:42:12Z","abstract_excerpt":"Nonlocal effective interactions are inherent to non-relativistic quantum many-body systems, but their systematic resummation poses a significant challenge known as the ``vertex problem\" in many-body perturbation theory. We introduce a renormalization scheme based on a projection-based renormalization condition that selectively resums the most essential nonlocal contributions to the effective interaction vertex, avoiding the computational complexity of the full vertex function. This enables us to derive a renormalized Feynman diagrammatic series with large parameters canceled by counter-diagram"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.15844","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/2404.15844/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":"2404.15844","created_at":"2026-07-05T08:46:24.496198+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.15844v2","created_at":"2026-07-05T08:46:24.496198+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.15844","created_at":"2026-07-05T08:46:24.496198+00:00"},{"alias_kind":"pith_short_12","alias_value":"7GYAXQFODN3C","created_at":"2026-07-05T08:46:24.496198+00:00"},{"alias_kind":"pith_short_16","alias_value":"7GYAXQFODN3CIGVQ","created_at":"2026-07-05T08:46:24.496198+00:00"},{"alias_kind":"pith_short_8","alias_value":"7GYAXQFO","created_at":"2026-07-05T08:46:24.496198+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2511.22927","citing_title":"Two-Electron Correlations in the Metallic Electron Gas","ref_index":44,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6","json":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6.json","graph_json":"https://pith.science/api/pith-number/7GYAXQFODN3CIGVQK2G5P3HXH6/graph.json","events_json":"https://pith.science/api/pith-number/7GYAXQFODN3CIGVQK2G5P3HXH6/events.json","paper":"https://pith.science/paper/7GYAXQFO"},"agent_actions":{"view_html":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6","download_json":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6.json","view_paper":"https://pith.science/paper/7GYAXQFO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.15844&json=true","fetch_graph":"https://pith.science/api/pith-number/7GYAXQFODN3CIGVQK2G5P3HXH6/graph.json","fetch_events":"https://pith.science/api/pith-number/7GYAXQFODN3CIGVQK2G5P3HXH6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6/action/storage_attestation","attest_author":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6/action/author_attestation","sign_citation":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6/action/citation_signature","submit_replication":"https://pith.science/pith/7GYAXQFODN3CIGVQK2G5P3HXH6/action/replication_record"}},"created_at":"2026-07-05T08:46:24.496198+00:00","updated_at":"2026-07-05T08:46:24.496198+00:00"}