{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:LUYFKJZWH3WB7X7ZF2WZM5YMGL","short_pith_number":"pith:LUYFKJZW","schema_version":"1.0","canonical_sha256":"5d305527363eec1fdff92ead96770c32f10e23f36262ada94e0cd1911c464d1a","source":{"kind":"arxiv","id":"2012.15218","version":1},"attestation_state":"computed","paper":{"title":"Symmetry guaranteed Dirac-line semimetals in two-dimensions against strong spin-orbit coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Deping Guo, Kai Liu, Limin Cao, Min Feng, Pengjie Guo, Shiliang Tan, Wei Ji, Zhengxin Liu, Zhong-Yi Lu","submitted_at":"2020-12-30T16:17:57Z","abstract_excerpt":"Several intriguing electronic phenomena and electric properties were discovered in three-dimensional Dirac nodal line semimetals (3D-DNLSM), which are, however, easy to be perturbed under strong spin-orbit coupling (SOC). While two-dimensional (2D) layers are an emerging material category with many advantages, 2D-DNLSM against SOC is yet to be uncovered. Here, we report a 2D-DNLSM in odd-atomic-layer Bi (the brick phase, another Bi allotrope), whose robustness against SOC is protected by the little co-group C_2v \\times Z^T_2, the unique protecting symmetry we found in 2D.Specially, (4n+2) vale"},"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":"2012.15218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-12-30T16:17:57Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8ae8a0dea19d1f434fddb898d5c80c49f1a8980934594c3f1d5a6adf78b505ca","abstract_canon_sha256":"35c73afbfc9dc5bc5db9de7f3b593c89a83bd3aa2f1519e0734194a021577881"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:06:49.869997Z","signature_b64":"MaRrd1LgVPr/awi5x47JDUgNmQgnm5tHFjeuBI2Plq1Afg/CrLzbjeD+WiEUPlqz9Qz/2cM497K31zzMutyyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d305527363eec1fdff92ead96770c32f10e23f36262ada94e0cd1911c464d1a","last_reissued_at":"2026-07-05T05:06:49.869527Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:06:49.869527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Symmetry guaranteed Dirac-line semimetals in two-dimensions against strong spin-orbit coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Deping Guo, Kai Liu, Limin Cao, Min Feng, Pengjie Guo, Shiliang Tan, Wei Ji, Zhengxin Liu, Zhong-Yi Lu","submitted_at":"2020-12-30T16:17:57Z","abstract_excerpt":"Several intriguing electronic phenomena and electric properties were discovered in three-dimensional Dirac nodal line semimetals (3D-DNLSM), which are, however, easy to be perturbed under strong spin-orbit coupling (SOC). While two-dimensional (2D) layers are an emerging material category with many advantages, 2D-DNLSM against SOC is yet to be uncovered. Here, we report a 2D-DNLSM in odd-atomic-layer Bi (the brick phase, another Bi allotrope), whose robustness against SOC is protected by the little co-group C_2v \\times Z^T_2, the unique protecting symmetry we found in 2D.Specially, (4n+2) vale"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.15218","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.15218/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2012.15218","created_at":"2026-07-05T05:06:49.869583+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.15218v1","created_at":"2026-07-05T05:06:49.869583+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.15218","created_at":"2026-07-05T05:06:49.869583+00:00"},{"alias_kind":"pith_short_12","alias_value":"LUYFKJZWH3WB","created_at":"2026-07-05T05:06:49.869583+00:00"},{"alias_kind":"pith_short_16","alias_value":"LUYFKJZWH3WB7X7Z","created_at":"2026-07-05T05:06:49.869583+00:00"},{"alias_kind":"pith_short_8","alias_value":"LUYFKJZW","created_at":"2026-07-05T05:06:49.869583+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/LUYFKJZWH3WB7X7ZF2WZM5YMGL","json":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL.json","graph_json":"https://pith.science/api/pith-number/LUYFKJZWH3WB7X7ZF2WZM5YMGL/graph.json","events_json":"https://pith.science/api/pith-number/LUYFKJZWH3WB7X7ZF2WZM5YMGL/events.json","paper":"https://pith.science/paper/LUYFKJZW"},"agent_actions":{"view_html":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL","download_json":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL.json","view_paper":"https://pith.science/paper/LUYFKJZW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.15218&json=true","fetch_graph":"https://pith.science/api/pith-number/LUYFKJZWH3WB7X7ZF2WZM5YMGL/graph.json","fetch_events":"https://pith.science/api/pith-number/LUYFKJZWH3WB7X7ZF2WZM5YMGL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL/action/storage_attestation","attest_author":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL/action/author_attestation","sign_citation":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL/action/citation_signature","submit_replication":"https://pith.science/pith/LUYFKJZWH3WB7X7ZF2WZM5YMGL/action/replication_record"}},"created_at":"2026-07-05T05:06:49.869583+00:00","updated_at":"2026-07-05T05:06:49.869583+00:00"}