{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:HG6XHKTRIVMTDDCBTAQZN4E3MM","short_pith_number":"pith:HG6XHKTR","schema_version":"1.0","canonical_sha256":"39bd73aa714559318c41982196f09b632d4a9a1f6d33f4a5fc2b2f91d921829a","source":{"kind":"arxiv","id":"1901.06176","version":1},"attestation_state":"computed","paper":{"title":"Fermi-liquid ground state of interacting Dirac fermions in two dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Kazuhiro Seki, Sandro Sorella, Seiji Yunoki, Yuichi Otsuka","submitted_at":"2019-01-18T10:50:36Z","abstract_excerpt":"An unbiased zero-temperature auxiliary-field quantum Monte Carlo method is employed to analyze the nature of the semimetallic phase of the two-dimensional Hubbard model on the honeycomb lattice at half filling. It is shown that the quasiparticle weight $Z$ of the massless Dirac fermions at the Fermi level, which characterizes the coherence of zero-energy single-particle excitations, can be evaluated in terms of the long-distance equal-time single-particle Green's function. If this quantity remains finite in the thermodynamic limit, the low-energy single-particle excitations of the correlated s"},"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":"1901.06176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-18T10:50:36Z","cross_cats_sorted":[],"title_canon_sha256":"4aa81f9d7094d29c98addc5383a5b200e92a0c29d38e5c65d2f3d992a6dad463","abstract_canon_sha256":"20b16d67b66a4cadd90324365aa5e361c82b8ab5251bad79ede3108595f62c76"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:39.558568Z","signature_b64":"pBn1042WuNlDxP5ml+A9G1wuPgEb6KAVauvHXnCpRDD4ksVNNK+jKvXQ0EVQaJML5l8ye2UuZWhikMK/hlC5Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39bd73aa714559318c41982196f09b632d4a9a1f6d33f4a5fc2b2f91d921829a","last_reissued_at":"2026-05-17T23:49:39.558017Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:39.558017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fermi-liquid ground state of interacting Dirac fermions in two dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Kazuhiro Seki, Sandro Sorella, Seiji Yunoki, Yuichi Otsuka","submitted_at":"2019-01-18T10:50:36Z","abstract_excerpt":"An unbiased zero-temperature auxiliary-field quantum Monte Carlo method is employed to analyze the nature of the semimetallic phase of the two-dimensional Hubbard model on the honeycomb lattice at half filling. It is shown that the quasiparticle weight $Z$ of the massless Dirac fermions at the Fermi level, which characterizes the coherence of zero-energy single-particle excitations, can be evaluated in terms of the long-distance equal-time single-particle Green's function. If this quantity remains finite in the thermodynamic limit, the low-energy single-particle excitations of the correlated s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06176","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":"1901.06176","created_at":"2026-05-17T23:49:39.558101+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.06176v1","created_at":"2026-05-17T23:49:39.558101+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06176","created_at":"2026-05-17T23:49:39.558101+00:00"},{"alias_kind":"pith_short_12","alias_value":"HG6XHKTRIVMT","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"HG6XHKTRIVMTDDCB","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"HG6XHKTR","created_at":"2026-05-18T12:33:18.533446+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/HG6XHKTRIVMTDDCBTAQZN4E3MM","json":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM.json","graph_json":"https://pith.science/api/pith-number/HG6XHKTRIVMTDDCBTAQZN4E3MM/graph.json","events_json":"https://pith.science/api/pith-number/HG6XHKTRIVMTDDCBTAQZN4E3MM/events.json","paper":"https://pith.science/paper/HG6XHKTR"},"agent_actions":{"view_html":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM","download_json":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM.json","view_paper":"https://pith.science/paper/HG6XHKTR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.06176&json=true","fetch_graph":"https://pith.science/api/pith-number/HG6XHKTRIVMTDDCBTAQZN4E3MM/graph.json","fetch_events":"https://pith.science/api/pith-number/HG6XHKTRIVMTDDCBTAQZN4E3MM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM/action/storage_attestation","attest_author":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM/action/author_attestation","sign_citation":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM/action/citation_signature","submit_replication":"https://pith.science/pith/HG6XHKTRIVMTDDCBTAQZN4E3MM/action/replication_record"}},"created_at":"2026-05-17T23:49:39.558101+00:00","updated_at":"2026-05-17T23:49:39.558101+00:00"}