{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:GQMKZSR6ECAZDVXVPS22M42CBE","short_pith_number":"pith:GQMKZSR6","schema_version":"1.0","canonical_sha256":"3418acca3e208191d6f57cb5a673420919041b11fbef3aa14bd6235a51f057b3","source":{"kind":"arxiv","id":"1401.1531","version":2},"attestation_state":"computed","paper":{"title":"Images of edge current in InAs/GaSb quantum wells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Eric M. Spanton, Gerard Sullivan, Kathryn A. Moler, Katja C. Nowack, lingjie du, Rui-Rui Du","submitted_at":"2014-01-07T22:28:06Z","abstract_excerpt":"Quantum spin Hall devices with edges much longer than several microns do not display ballistic transport: that is, their measured conductances are much less than $e^2/h$ per edge. We imaged edge currents in InAs/GaSb quantum wells with long edges and determined an effective edge resistance. Surprisingly, although the effective edge resistance is much greater than $h/e^2$, it is independent of temperature up to 30 K within experimental resolution. Known candidate scattering mechanisms do not explain our observation of an effective edge resistance that is large yet temperature-independent."},"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":"1401.1531","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-07T22:28:06Z","cross_cats_sorted":[],"title_canon_sha256":"30b3d1f25c836217aea10fde09a04009d06f4aef5f6dc85c9c6c2a3b6df94712","abstract_canon_sha256":"e6df70cf66ef1a55f0d54b580e4bf025f1f71c990de0600d95dddec687c4be95"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:52.792280Z","signature_b64":"DXTp59op8UABcj+qGZL5DfM74heFwKCA5KKho43jZ43Slu0egO4p3MSF4YXYX/Uc80VLfMZiTY83JzoL3mUuDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3418acca3e208191d6f57cb5a673420919041b11fbef3aa14bd6235a51f057b3","last_reissued_at":"2026-05-18T02:47:52.791811Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:52.791811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Images of edge current in InAs/GaSb quantum wells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Eric M. Spanton, Gerard Sullivan, Kathryn A. Moler, Katja C. Nowack, lingjie du, Rui-Rui Du","submitted_at":"2014-01-07T22:28:06Z","abstract_excerpt":"Quantum spin Hall devices with edges much longer than several microns do not display ballistic transport: that is, their measured conductances are much less than $e^2/h$ per edge. We imaged edge currents in InAs/GaSb quantum wells with long edges and determined an effective edge resistance. Surprisingly, although the effective edge resistance is much greater than $h/e^2$, it is independent of temperature up to 30 K within experimental resolution. Known candidate scattering mechanisms do not explain our observation of an effective edge resistance that is large yet temperature-independent."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1531","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":"1401.1531","created_at":"2026-05-18T02:47:52.791889+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.1531v2","created_at":"2026-05-18T02:47:52.791889+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1531","created_at":"2026-05-18T02:47:52.791889+00:00"},{"alias_kind":"pith_short_12","alias_value":"GQMKZSR6ECAZ","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_16","alias_value":"GQMKZSR6ECAZDVXV","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_8","alias_value":"GQMKZSR6","created_at":"2026-05-18T12:28:30.664211+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/GQMKZSR6ECAZDVXVPS22M42CBE","json":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE.json","graph_json":"https://pith.science/api/pith-number/GQMKZSR6ECAZDVXVPS22M42CBE/graph.json","events_json":"https://pith.science/api/pith-number/GQMKZSR6ECAZDVXVPS22M42CBE/events.json","paper":"https://pith.science/paper/GQMKZSR6"},"agent_actions":{"view_html":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE","download_json":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE.json","view_paper":"https://pith.science/paper/GQMKZSR6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.1531&json=true","fetch_graph":"https://pith.science/api/pith-number/GQMKZSR6ECAZDVXVPS22M42CBE/graph.json","fetch_events":"https://pith.science/api/pith-number/GQMKZSR6ECAZDVXVPS22M42CBE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE/action/storage_attestation","attest_author":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE/action/author_attestation","sign_citation":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE/action/citation_signature","submit_replication":"https://pith.science/pith/GQMKZSR6ECAZDVXVPS22M42CBE/action/replication_record"}},"created_at":"2026-05-18T02:47:52.791889+00:00","updated_at":"2026-05-18T02:47:52.791889+00:00"}