{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:JFP5M3ULER2PTHEIGK4WRHPDS3","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":"cf64795f8161bff4f6c1a03db5fdfa4761de906b98cc624a4b7390716c3c7a6f","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-10-20T16:11:26Z","title_canon_sha256":"23941c3be53bbefec5f1b049abf779e4592bf50efe81a52e2e1317ae5c1861e7"},"schema_version":"1.0","source":{"id":"cond-mat/0610581","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0610581","created_at":"2026-05-18T01:39:40Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0610581v3","created_at":"2026-05-18T01:39:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0610581","created_at":"2026-05-18T01:39:40Z"},{"alias_kind":"pith_short_12","alias_value":"JFP5M3ULER2P","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"JFP5M3ULER2PTHEI","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"JFP5M3UL","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:0254f85a7a8df81be612ad66eb929a2f45f3d61839f6547ae61b23d9f9af590e","target":"graph","created_at":"2026-05-18T01:39:40Z","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"},"paper":{"abstract_excerpt":"We answer the question posed in the title above by considering theoretically the electron-electron interaction induced many-body effects in undoped (`intrinsic') and doped (`extrinsic') 2D graphene layers. We find that (1) intrinsic graphene is a marginal Fermi liquid with the imaginary part of the self-energy, ${Im}\\Sigma(\\omega)$, going as linear in energy $\\omega$ for small $\\omega$, implying that the quasiparticle spectral weight vanishes at the Dirac point as $({ln}\\omega)^{-1}$; and, (2) extrinsic graphene is a well-defined Fermi liquid with ${Im}\\Sigma(\\omega)\\sim \\omega^2\\mathrm{ln}\\om","authors_text":"E.H. Hwang, S. Das Sarma, Wang-Kong Tse","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-10-20T16:11:26Z","title":"Is Graphene a Fermi Liquid?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0610581","kind":"arxiv","version":3},"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":"sha256:15320a1f5bd57c5586726f0386ba89ccfec26438a8cff9be9b64c7af6b826a4b","target":"record","created_at":"2026-05-18T01:39:40Z","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":"cf64795f8161bff4f6c1a03db5fdfa4761de906b98cc624a4b7390716c3c7a6f","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-10-20T16:11:26Z","title_canon_sha256":"23941c3be53bbefec5f1b049abf779e4592bf50efe81a52e2e1317ae5c1861e7"},"schema_version":"1.0","source":{"id":"cond-mat/0610581","kind":"arxiv","version":3}},"canonical_sha256":"495fd66e8b2474f99c8832b9689de396e2b641eb492435a9e838dc1eb4f22f2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"495fd66e8b2474f99c8832b9689de396e2b641eb492435a9e838dc1eb4f22f2e","first_computed_at":"2026-05-18T01:39:40.625504Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:40.625504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yvl3u1kdFgFNVea7qmNbFcuG3ap2ARMtK6lLldr9nAwbKMQprmoYa82IdIWgA4cIHnadI0TJruQddXhfrD+LDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:40.626040Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0610581","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15320a1f5bd57c5586726f0386ba89ccfec26438a8cff9be9b64c7af6b826a4b","sha256:0254f85a7a8df81be612ad66eb929a2f45f3d61839f6547ae61b23d9f9af590e"],"state_sha256":"827a0aa8b11ecfb4ffbe8fa2659a550fcd408ed7600c166aaddabcf3d43d8b04"}