{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:O5KKXTCVIDNF4R5EKLHEJDXEDM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"bc03158e26eb7254b21300c75d194819d3e18d852b940f4868920d166d3578c4","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2006-07-26T20:04:16Z","title_canon_sha256":"24bf6e4fd13148efd31b1d4dee6b218554b1269a45f27e734a83c0f5abfbef87"},"schema_version":"1.0","source":{"id":"cond-mat/0607700","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607700","created_at":"2026-07-04T15:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607700v2","created_at":"2026-07-04T15:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607700","created_at":"2026-07-04T15:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"O5KKXTCVIDNF","created_at":"2026-07-04T15:05:16Z"},{"alias_kind":"pith_short_16","alias_value":"O5KKXTCVIDNF4R5E","created_at":"2026-07-04T15:05:16Z"},{"alias_kind":"pith_short_8","alias_value":"O5KKXTCV","created_at":"2026-07-04T15:05:16Z"}],"graph_snapshots":[{"event_id":"sha256:6d399ab462216408385a330e5e8fda69be38723468266d5cbcf82b6a3f114fc8","target":"graph","created_at":"2026-07-04T15:05:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0607700/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ground state phase diagram of the half-filled one-dimensional Holstein-Hubbard model contains a charge-density-wave (CDW) phase, driven by the electron-phonon (e-ph) coupling, and a spin-density-wave (SDW) phase, driven by the on-site electron-electron (e-e) repulsion. Recently, the existence of a third phase, which is metallic and lies in a finite region of parameter space between these two gapped phases, has been claimed. We study this claim using a renormalization-group method for interacting electrons that has been extended to include also e-ph couplings. Our method treats e-e and e-ph","authors_text":"A.H.Castro Neto, D.K.Campbell, Ka-Ming Tam, S.-W. Tsai","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2006-07-26T20:04:16Z","title":"Retardation effects in the Holstein-Hubbard chain at half-filling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607700","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7103f749be79c9b9c12e29cbe4d7937ac45e581c85b748444b36e787c2997368","target":"record","created_at":"2026-07-04T15:05:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"bc03158e26eb7254b21300c75d194819d3e18d852b940f4868920d166d3578c4","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2006-07-26T20:04:16Z","title_canon_sha256":"24bf6e4fd13148efd31b1d4dee6b218554b1269a45f27e734a83c0f5abfbef87"},"schema_version":"1.0","source":{"id":"cond-mat/0607700","kind":"arxiv","version":2}},"canonical_sha256":"7754abcc5540da5e47a452ce448ee41b0b10c30be79047e9b1426dfbce773e99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7754abcc5540da5e47a452ce448ee41b0b10c30be79047e9b1426dfbce773e99","first_computed_at":"2026-07-04T15:05:16.584878Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:05:16.584878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nE/j9mZG5owl4EYa22MQ5t9NxDEQT3nzLAzuC8+iWiq3mlzN1pxiixBgr1qV8D2/7wL7qmMTKj492l538maTDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:05:16.585272Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0607700","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7103f749be79c9b9c12e29cbe4d7937ac45e581c85b748444b36e787c2997368","sha256:6d399ab462216408385a330e5e8fda69be38723468266d5cbcf82b6a3f114fc8"],"state_sha256":"0cb6d49e6f0ccce493759b8652b7210264530d9d16c76d5c276b8fbdb3249e62"}