{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:WDJW57BAKEXHX3RLQL6OCV2LN4","short_pith_number":"pith:WDJW57BA","schema_version":"1.0","canonical_sha256":"b0d36efc20512e7bee2b82fce1574b6f0901d32f0156998cc228704f1c1c91ec","source":{"kind":"arxiv","id":"hep-lat/9801019","version":1},"attestation_state":"computed","paper":{"title":"Thermodynamics of Lattice QCD with Chiral 4-Fermion Interactions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"D. K. Sinclair, J. B. Kogut, J.-F. Lagae","submitted_at":"1998-01-19T04:56:17Z","abstract_excerpt":"We have studied lattice QCD with an additional, irrelevant 4-fermion interaction having a U(1)xU(1) chiral symmetry, at finite temperatures. Adding this 4-fermion term allowed us to work at zero quark mass, which would have otherwise been impossible. The theory with 2 massless staggered quark flavours appears to have a first order finite temperature phase transition at N_t=4 for the value of 4-fermion coupling we have chosen, in contrast to what is expected for 2-flavour QCD. The pion screening mass is seen to vanish below this transition, only to become massive and degenerate with the sigma ("},"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":"hep-lat/9801019","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1998-01-19T04:56:17Z","cross_cats_sorted":[],"title_canon_sha256":"629682ad8745e6c1f666ec03e84469ef90860a9a255a2c4ea8f496111cb35d8b","abstract_canon_sha256":"776eb675d086d60c0ec979e72fbca7cfe735ae5454bd42e05167a979974b5f8c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:19.698196Z","signature_b64":"OJlcr/yAASelpXlTssi0QUNaV1ysI7r5BAUIFbWyf2OhCIcLgRYPDcmlyC8sdn0RCgYbek/aEtaG4F8DUDg8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0d36efc20512e7bee2b82fce1574b6f0901d32f0156998cc228704f1c1c91ec","last_reissued_at":"2026-05-18T02:37:19.697771Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:19.697771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermodynamics of Lattice QCD with Chiral 4-Fermion Interactions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"D. K. Sinclair, J. B. Kogut, J.-F. Lagae","submitted_at":"1998-01-19T04:56:17Z","abstract_excerpt":"We have studied lattice QCD with an additional, irrelevant 4-fermion interaction having a U(1)xU(1) chiral symmetry, at finite temperatures. Adding this 4-fermion term allowed us to work at zero quark mass, which would have otherwise been impossible. The theory with 2 massless staggered quark flavours appears to have a first order finite temperature phase transition at N_t=4 for the value of 4-fermion coupling we have chosen, in contrast to what is expected for 2-flavour QCD. The pion screening mass is seen to vanish below this transition, only to become massive and degenerate with the sigma ("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9801019","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":"hep-lat/9801019","created_at":"2026-05-18T02:37:19.697822+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9801019v1","created_at":"2026-05-18T02:37:19.697822+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9801019","created_at":"2026-05-18T02:37:19.697822+00:00"},{"alias_kind":"pith_short_12","alias_value":"WDJW57BAKEXH","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"WDJW57BAKEXHX3RL","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"WDJW57BA","created_at":"2026-05-18T12:25:49.038998+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/WDJW57BAKEXHX3RLQL6OCV2LN4","json":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4.json","graph_json":"https://pith.science/api/pith-number/WDJW57BAKEXHX3RLQL6OCV2LN4/graph.json","events_json":"https://pith.science/api/pith-number/WDJW57BAKEXHX3RLQL6OCV2LN4/events.json","paper":"https://pith.science/paper/WDJW57BA"},"agent_actions":{"view_html":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4","download_json":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4.json","view_paper":"https://pith.science/paper/WDJW57BA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-lat/9801019&json=true","fetch_graph":"https://pith.science/api/pith-number/WDJW57BAKEXHX3RLQL6OCV2LN4/graph.json","fetch_events":"https://pith.science/api/pith-number/WDJW57BAKEXHX3RLQL6OCV2LN4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4/action/storage_attestation","attest_author":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4/action/author_attestation","sign_citation":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4/action/citation_signature","submit_replication":"https://pith.science/pith/WDJW57BAKEXHX3RLQL6OCV2LN4/action/replication_record"}},"created_at":"2026-05-18T02:37:19.697822+00:00","updated_at":"2026-05-18T02:37:19.697822+00:00"}