{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:ABIZFQDKUCZUOMAVLLVXWBHKUS","short_pith_number":"pith:ABIZFQDK","schema_version":"1.0","canonical_sha256":"005192c06aa0b34730155aeb7b04eaa4a61032b7cc4c67d5f9db2b61a1084041","source":{"kind":"arxiv","id":"1109.1131","version":1},"attestation_state":"computed","paper":{"title":"Two-Dimensional Topological Insulator State and Topological Phase Transition in Bilayer Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hua Jiang, Qian Niu, Wang-Kong Tse, Yugui Yao, Zhenhua Qiao","submitted_at":"2011-09-06T09:59:56Z","abstract_excerpt":"We show that gated bilayer graphene hosts a strong topological insulator (TI) phase in the presence of Rashba spin-orbit (SO) coupling. We find that gated bilayer graphene under preserved time-reversal symmetry is a quantum valley Hall insulator for small Rashba SO coupling $\\lambda_{\\mathrm{R}}$, and transitions to a strong TI when $\\lambda_{\\mathrm{R}} > \\sqrt{U^2+t_\\bot^2}$, where $U$ and $t_\\bot$ are respectively the interlayer potential and tunneling energy. Different from a conventional quantum spin Hall state, the edge modes of our strong TI phase exhibit both spin and valley filtering,"},"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":"1109.1131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-06T09:59:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"3cf46d6d479f4714925f7eee3e06a269a9fac53412c8dffaaeb4485b0e81d9d7","abstract_canon_sha256":"b41a9c4f4e4f1dc015af41fa5f79f6bffe6817b8dbb382dd2c73e1df65f74124"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:06:20.604008Z","signature_b64":"TzLSnvuvRbE0lzzOnHDFIrtTNGPWpPDza+E6B7T6WD7sJPtR6dwT3lTTySnUfC0FgRiwZRopFHbtEeB6nUIADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"005192c06aa0b34730155aeb7b04eaa4a61032b7cc4c67d5f9db2b61a1084041","last_reissued_at":"2026-05-18T04:06:20.603339Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:06:20.603339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Two-Dimensional Topological Insulator State and Topological Phase Transition in Bilayer Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hua Jiang, Qian Niu, Wang-Kong Tse, Yugui Yao, Zhenhua Qiao","submitted_at":"2011-09-06T09:59:56Z","abstract_excerpt":"We show that gated bilayer graphene hosts a strong topological insulator (TI) phase in the presence of Rashba spin-orbit (SO) coupling. We find that gated bilayer graphene under preserved time-reversal symmetry is a quantum valley Hall insulator for small Rashba SO coupling $\\lambda_{\\mathrm{R}}$, and transitions to a strong TI when $\\lambda_{\\mathrm{R}} > \\sqrt{U^2+t_\\bot^2}$, where $U$ and $t_\\bot$ are respectively the interlayer potential and tunneling energy. Different from a conventional quantum spin Hall state, the edge modes of our strong TI phase exhibit both spin and valley filtering,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1131","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":"1109.1131","created_at":"2026-05-18T04:06:20.603443+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.1131v1","created_at":"2026-05-18T04:06:20.603443+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1131","created_at":"2026-05-18T04:06:20.603443+00:00"},{"alias_kind":"pith_short_12","alias_value":"ABIZFQDKUCZU","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"ABIZFQDKUCZUOMAV","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"ABIZFQDK","created_at":"2026-05-18T12:26:24.575870+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/ABIZFQDKUCZUOMAVLLVXWBHKUS","json":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS.json","graph_json":"https://pith.science/api/pith-number/ABIZFQDKUCZUOMAVLLVXWBHKUS/graph.json","events_json":"https://pith.science/api/pith-number/ABIZFQDKUCZUOMAVLLVXWBHKUS/events.json","paper":"https://pith.science/paper/ABIZFQDK"},"agent_actions":{"view_html":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS","download_json":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS.json","view_paper":"https://pith.science/paper/ABIZFQDK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.1131&json=true","fetch_graph":"https://pith.science/api/pith-number/ABIZFQDKUCZUOMAVLLVXWBHKUS/graph.json","fetch_events":"https://pith.science/api/pith-number/ABIZFQDKUCZUOMAVLLVXWBHKUS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS/action/storage_attestation","attest_author":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS/action/author_attestation","sign_citation":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS/action/citation_signature","submit_replication":"https://pith.science/pith/ABIZFQDKUCZUOMAVLLVXWBHKUS/action/replication_record"}},"created_at":"2026-05-18T04:06:20.603443+00:00","updated_at":"2026-05-18T04:06:20.603443+00:00"}