{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:IOIADMKVBVRYQJGPWXIBMPGDEG","short_pith_number":"pith:IOIADMKV","schema_version":"1.0","canonical_sha256":"439001b1550d638824cfb5d0163cc321bf1210fa6752b9a453e96f8b970a7a0e","source":{"kind":"arxiv","id":"1201.0182","version":2},"attestation_state":"computed","paper":{"title":"Terahertz dynamics of a topologically protected state: quantum Hall effect plateaus near cyclotron resonance in a GaAs/AlGaAs heterojunction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.V. Stier, B.D. McCombe T. Morimoto, C.T. Ellis, D. Eason, G. Strasser, H. Aoki, H. Zhang, J. Cerne","submitted_at":"2011-12-30T20:39:11Z","abstract_excerpt":"We measure the Hall conductivity of a two-dimensional electron gas formed at a GaAs/AlGaAs heterojunction in the terahertz regime close to the cyclotron resonance frequency by employing a highly sensitive Faraday rotation method coupled with electrical gating of the sample to change the electron density. We observe clear plateau-and step-like features in the Faraday rotation angle vs. electron density and magnetic field (Landau-level filling factor), which are the high frequency manifestation of quantum Hall plateaus - a signature of topologically protected edge states. The results are compare"},"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":"1201.0182","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-30T20:39:11Z","cross_cats_sorted":[],"title_canon_sha256":"deff13007676c9e0b6cfb4431a3b53c877994bea684c2f1b0c9a51b8b6576234","abstract_canon_sha256":"cef1dba129f51485124e4158b78574c5aeb0851dca0e9106d8db59183d7cd1a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:19.556785Z","signature_b64":"hiugACfVapVVXT7FnHup6tVtGQO/zB3CvYO8/ntJXNeCUtL2wV9yYNecH8pNRzGO2a7CWBowuQ+Ok14ALOHJAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"439001b1550d638824cfb5d0163cc321bf1210fa6752b9a453e96f8b970a7a0e","last_reissued_at":"2026-05-18T01:24:19.556374Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:19.556374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Terahertz dynamics of a topologically protected state: quantum Hall effect plateaus near cyclotron resonance in a GaAs/AlGaAs heterojunction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.V. Stier, B.D. McCombe T. Morimoto, C.T. Ellis, D. Eason, G. Strasser, H. Aoki, H. Zhang, J. Cerne","submitted_at":"2011-12-30T20:39:11Z","abstract_excerpt":"We measure the Hall conductivity of a two-dimensional electron gas formed at a GaAs/AlGaAs heterojunction in the terahertz regime close to the cyclotron resonance frequency by employing a highly sensitive Faraday rotation method coupled with electrical gating of the sample to change the electron density. We observe clear plateau-and step-like features in the Faraday rotation angle vs. electron density and magnetic field (Landau-level filling factor), which are the high frequency manifestation of quantum Hall plateaus - a signature of topologically protected edge states. The results are compare"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.0182","kind":"arxiv","version":2},"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":"1201.0182","created_at":"2026-05-18T01:24:19.556446+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.0182v2","created_at":"2026-05-18T01:24:19.556446+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.0182","created_at":"2026-05-18T01:24:19.556446+00:00"},{"alias_kind":"pith_short_12","alias_value":"IOIADMKVBVRY","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"IOIADMKVBVRYQJGP","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"IOIADMKV","created_at":"2026-05-18T12:26:32.869790+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/IOIADMKVBVRYQJGPWXIBMPGDEG","json":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG.json","graph_json":"https://pith.science/api/pith-number/IOIADMKVBVRYQJGPWXIBMPGDEG/graph.json","events_json":"https://pith.science/api/pith-number/IOIADMKVBVRYQJGPWXIBMPGDEG/events.json","paper":"https://pith.science/paper/IOIADMKV"},"agent_actions":{"view_html":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG","download_json":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG.json","view_paper":"https://pith.science/paper/IOIADMKV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.0182&json=true","fetch_graph":"https://pith.science/api/pith-number/IOIADMKVBVRYQJGPWXIBMPGDEG/graph.json","fetch_events":"https://pith.science/api/pith-number/IOIADMKVBVRYQJGPWXIBMPGDEG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG/action/storage_attestation","attest_author":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG/action/author_attestation","sign_citation":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG/action/citation_signature","submit_replication":"https://pith.science/pith/IOIADMKVBVRYQJGPWXIBMPGDEG/action/replication_record"}},"created_at":"2026-05-18T01:24:19.556446+00:00","updated_at":"2026-05-18T01:24:19.556446+00:00"}