{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:WKKHZEYXIOPF6JC24W5LFD5D3B","short_pith_number":"pith:WKKHZEYX","schema_version":"1.0","canonical_sha256":"b2947c9317439e5f245ae5bab28fa3d87138dcc07ee465ba05e784706cdf12fb","source":{"kind":"arxiv","id":"1407.2484","version":1},"attestation_state":"computed","paper":{"title":"Spontaneous gap generation on the surface of weakly interacting topological insulators using nonmagnetic impurities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Annica M. Black-Schaffer, Dmitry Yudin","submitted_at":"2014-07-09T14:03:17Z","abstract_excerpt":"Strong nonmagnetic impurities on the surface of three-dimensional topological insulators (TIs) generate localized resonance peaks close to the Dirac point. We show that this results in a strongly reduced critical Coulomb interaction strength to reach a magnetic surface state, following a Stoner-like criterion. Thus even weakly interacting TIs host a finite (local) magnetization around strong nonmagnetic impurities. The local magnetization gives rise to a global energy gap, linearly dependent on the maximum value of the magnetization but decreasing with reduced impurity concentration."},"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":"1407.2484","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-07-09T14:03:17Z","cross_cats_sorted":[],"title_canon_sha256":"58c30cb087a87ae82d7a49383e915099394e3aa454bd9511976f04c56e6d4968","abstract_canon_sha256":"24f12cae5743e9e593240541b447ecf5db25e6cfd0a8ba064c265cdeab1f9c33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:11.774818Z","signature_b64":"4L5OSb4Unqzmwh0pUdtRCNNZaMTcgf32HC+7AyV76CZxv6sUiVsyM+wK6L5ESNr3NJe66uZcOWQG7gnnupJ9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2947c9317439e5f245ae5bab28fa3d87138dcc07ee465ba05e784706cdf12fb","last_reissued_at":"2026-05-18T02:28:11.774218Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:11.774218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spontaneous gap generation on the surface of weakly interacting topological insulators using nonmagnetic impurities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Annica M. Black-Schaffer, Dmitry Yudin","submitted_at":"2014-07-09T14:03:17Z","abstract_excerpt":"Strong nonmagnetic impurities on the surface of three-dimensional topological insulators (TIs) generate localized resonance peaks close to the Dirac point. We show that this results in a strongly reduced critical Coulomb interaction strength to reach a magnetic surface state, following a Stoner-like criterion. Thus even weakly interacting TIs host a finite (local) magnetization around strong nonmagnetic impurities. The local magnetization gives rise to a global energy gap, linearly dependent on the maximum value of the magnetization but decreasing with reduced impurity concentration."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2484","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":"1407.2484","created_at":"2026-05-18T02:28:11.774302+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.2484v1","created_at":"2026-05-18T02:28:11.774302+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2484","created_at":"2026-05-18T02:28:11.774302+00:00"},{"alias_kind":"pith_short_12","alias_value":"WKKHZEYXIOPF","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_16","alias_value":"WKKHZEYXIOPF6JC2","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_8","alias_value":"WKKHZEYX","created_at":"2026-05-18T12:28:54.890064+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/WKKHZEYXIOPF6JC24W5LFD5D3B","json":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B.json","graph_json":"https://pith.science/api/pith-number/WKKHZEYXIOPF6JC24W5LFD5D3B/graph.json","events_json":"https://pith.science/api/pith-number/WKKHZEYXIOPF6JC24W5LFD5D3B/events.json","paper":"https://pith.science/paper/WKKHZEYX"},"agent_actions":{"view_html":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B","download_json":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B.json","view_paper":"https://pith.science/paper/WKKHZEYX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.2484&json=true","fetch_graph":"https://pith.science/api/pith-number/WKKHZEYXIOPF6JC24W5LFD5D3B/graph.json","fetch_events":"https://pith.science/api/pith-number/WKKHZEYXIOPF6JC24W5LFD5D3B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B/action/storage_attestation","attest_author":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B/action/author_attestation","sign_citation":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B/action/citation_signature","submit_replication":"https://pith.science/pith/WKKHZEYXIOPF6JC24W5LFD5D3B/action/replication_record"}},"created_at":"2026-05-18T02:28:11.774302+00:00","updated_at":"2026-05-18T02:28:11.774302+00:00"}