{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:45YKCJETWPBB3OJSPUKD4GG6ZD","short_pith_number":"pith:45YKCJET","schema_version":"1.0","canonical_sha256":"e770a12493b3c21db9327d143e18dec8f2ba5273ec9f566cc0f10e50de447478","source":{"kind":"arxiv","id":"1406.1252","version":1},"attestation_state":"computed","paper":{"title":"Emergence of decoupled surface transport channels in bulk insulating Bi2Se3 thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Maryam Salehi, Matthew Brahlek, Namrata Bansal, Nikesh Koirala, Seongshik Oh","submitted_at":"2014-06-05T01:38:41Z","abstract_excerpt":"In ideal topological insulator (TI) films the bulk state, which is supposed to be insulating, should not provide any electric coupling between the two metallic surfaces. However, transport studies on existing TI films show that the topological states on opposite surfaces are electrically tied to each other at thicknesses far greater than the direct coupling limit where the surface wavefunctions overlap. Here, we show that as the conducting bulk channels are suppressed, the parasitic coupling effect diminishes and the decoupled surface channels emerge as expected for ideal TIs. In Bi2Se3 thin f"},"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":"1406.1252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-06-05T01:38:41Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"72bd18d7f59c868e953b3be7c8668b9f805f743de73885c69fd299e72e308af2","abstract_canon_sha256":"92a32578f7db1e0d4111cba6598a5a9206f229f01b620033dc338ef4c7afd8de"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:48.132280Z","signature_b64":"x0+v3QTNoE0JqWOFdbotGVRH7QUr3YOTf9QHdH2WI/E6rDiIOEeOUx7g03tPT4A/9DiifiJWfax4BfRhIndgBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e770a12493b3c21db9327d143e18dec8f2ba5273ec9f566cc0f10e50de447478","last_reissued_at":"2026-05-18T02:39:48.131799Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:48.131799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Emergence of decoupled surface transport channels in bulk insulating Bi2Se3 thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Maryam Salehi, Matthew Brahlek, Namrata Bansal, Nikesh Koirala, Seongshik Oh","submitted_at":"2014-06-05T01:38:41Z","abstract_excerpt":"In ideal topological insulator (TI) films the bulk state, which is supposed to be insulating, should not provide any electric coupling between the two metallic surfaces. However, transport studies on existing TI films show that the topological states on opposite surfaces are electrically tied to each other at thicknesses far greater than the direct coupling limit where the surface wavefunctions overlap. Here, we show that as the conducting bulk channels are suppressed, the parasitic coupling effect diminishes and the decoupled surface channels emerge as expected for ideal TIs. In Bi2Se3 thin f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1252","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":"1406.1252","created_at":"2026-05-18T02:39:48.131871+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.1252v1","created_at":"2026-05-18T02:39:48.131871+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1252","created_at":"2026-05-18T02:39:48.131871+00:00"},{"alias_kind":"pith_short_12","alias_value":"45YKCJETWPBB","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"45YKCJETWPBB3OJS","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"45YKCJET","created_at":"2026-05-18T12:28:14.216126+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/45YKCJETWPBB3OJSPUKD4GG6ZD","json":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD.json","graph_json":"https://pith.science/api/pith-number/45YKCJETWPBB3OJSPUKD4GG6ZD/graph.json","events_json":"https://pith.science/api/pith-number/45YKCJETWPBB3OJSPUKD4GG6ZD/events.json","paper":"https://pith.science/paper/45YKCJET"},"agent_actions":{"view_html":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD","download_json":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD.json","view_paper":"https://pith.science/paper/45YKCJET","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.1252&json=true","fetch_graph":"https://pith.science/api/pith-number/45YKCJETWPBB3OJSPUKD4GG6ZD/graph.json","fetch_events":"https://pith.science/api/pith-number/45YKCJETWPBB3OJSPUKD4GG6ZD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD/action/storage_attestation","attest_author":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD/action/author_attestation","sign_citation":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD/action/citation_signature","submit_replication":"https://pith.science/pith/45YKCJETWPBB3OJSPUKD4GG6ZD/action/replication_record"}},"created_at":"2026-05-18T02:39:48.131871+00:00","updated_at":"2026-05-18T02:39:48.131871+00:00"}