{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:FEWBHFQOKSGSPDHRSSVW32ET4Z","short_pith_number":"pith:FEWBHFQO","schema_version":"1.0","canonical_sha256":"292c13960e548d278cf194ab6de893e64e0278ec43fa4522af73309b5bad9dfd","source":{"kind":"arxiv","id":"1409.5979","version":1},"attestation_state":"computed","paper":{"title":"Dynamical mass generation in unquenched QED using the Dyson--Schwinger equations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Anthony G. Williams, Ayse Kizilersu, Michael R. Pennington, Richard Williams, Tom Sizer","submitted_at":"2014-09-21T13:14:43Z","abstract_excerpt":"We present a comprehensive numerical study of dynamical mass generation for unquenched QED in four dimensions, in the absence of four-fermion interactions, using the Dyson--Schwinger approach. We begin with an overview of previous investigations of criticality in the quenched approximation. To this we add an analysis using a new fermion-antifermion-boson interaction ansatz, the Kizilersu-Pennington (KP) vertex, developed for an unquenched treatment. After surveying criticality in previous unquenched studies, we investigate the performance of the KP vertex in dynamical mass generation using a r"},"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":"1409.5979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-21T13:14:43Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"7e8047314ae86f4df2814b47326cadd4af698ed81504a2055d39bd91f3c69dba","abstract_canon_sha256":"56030c813358ce5055dad1b8d608e10f104a4bc4eb9447abed15a42534f62067"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:14.008273Z","signature_b64":"mO11k1OGJvnsNh2+OF569El89u2M1Nfsr3ebEfFpRsePv7xYKUsEM/3V/PTnexRCl2F++8uZj3K/wfeSUjHcCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"292c13960e548d278cf194ab6de893e64e0278ec43fa4522af73309b5bad9dfd","last_reissued_at":"2026-05-18T02:42:14.007914Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:14.007914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical mass generation in unquenched QED using the Dyson--Schwinger equations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Anthony G. Williams, Ayse Kizilersu, Michael R. Pennington, Richard Williams, Tom Sizer","submitted_at":"2014-09-21T13:14:43Z","abstract_excerpt":"We present a comprehensive numerical study of dynamical mass generation for unquenched QED in four dimensions, in the absence of four-fermion interactions, using the Dyson--Schwinger approach. We begin with an overview of previous investigations of criticality in the quenched approximation. To this we add an analysis using a new fermion-antifermion-boson interaction ansatz, the Kizilersu-Pennington (KP) vertex, developed for an unquenched treatment. After surveying criticality in previous unquenched studies, we investigate the performance of the KP vertex in dynamical mass generation using a r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5979","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":"1409.5979","created_at":"2026-05-18T02:42:14.007971+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.5979v1","created_at":"2026-05-18T02:42:14.007971+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5979","created_at":"2026-05-18T02:42:14.007971+00:00"},{"alias_kind":"pith_short_12","alias_value":"FEWBHFQOKSGS","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"FEWBHFQOKSGSPDHR","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"FEWBHFQO","created_at":"2026-05-18T12:28:28.263976+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/FEWBHFQOKSGSPDHRSSVW32ET4Z","json":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z.json","graph_json":"https://pith.science/api/pith-number/FEWBHFQOKSGSPDHRSSVW32ET4Z/graph.json","events_json":"https://pith.science/api/pith-number/FEWBHFQOKSGSPDHRSSVW32ET4Z/events.json","paper":"https://pith.science/paper/FEWBHFQO"},"agent_actions":{"view_html":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z","download_json":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z.json","view_paper":"https://pith.science/paper/FEWBHFQO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.5979&json=true","fetch_graph":"https://pith.science/api/pith-number/FEWBHFQOKSGSPDHRSSVW32ET4Z/graph.json","fetch_events":"https://pith.science/api/pith-number/FEWBHFQOKSGSPDHRSSVW32ET4Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z/action/storage_attestation","attest_author":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z/action/author_attestation","sign_citation":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z/action/citation_signature","submit_replication":"https://pith.science/pith/FEWBHFQOKSGSPDHRSSVW32ET4Z/action/replication_record"}},"created_at":"2026-05-18T02:42:14.007971+00:00","updated_at":"2026-05-18T02:42:14.007971+00:00"}