{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:VR2IO7XXIVN2VTVMQXOG6MZHDN","short_pith_number":"pith:VR2IO7XX","schema_version":"1.0","canonical_sha256":"ac74877ef7455baaceac85dc6f33271b55e032e01f9f616c2a87cc96367c5e83","source":{"kind":"arxiv","id":"1212.6772","version":2},"attestation_state":"computed","paper":{"title":"A 3D topological insulator quantum dot for optically controlled quantum memory and quantum computing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Hari P. Paudel, Michael N. Leuenberger","submitted_at":"2012-12-30T20:35:04Z","abstract_excerpt":"We present the model of a quantum dot (QD) consisting of a spherical core-bulk heterostructure made of 3D topological insulator (TI) materials, such as PbTe/Pb$_{0.31}$Sn$_{0.69}$Te, with bound massless and helical Weyl states existing at the interface and being confined in all three dimensions. The number of bound states can be controlled by tuning the size of the QD and the magnitude of the core and bulk energy gaps, which determine the confining potential. We demonstrate that such bound Weyl states can be realized for QD sizes of few nanometers. We identify the spin locking and the Kramers "},"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":"1212.6772","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-30T20:35:04Z","cross_cats_sorted":[],"title_canon_sha256":"5e705bd348c3c9de96454c9218745134ec064c917a2f6dd23fe0665df77895a9","abstract_canon_sha256":"4599ddab0be0aa7aeb37ec6c8049e1d109bc48eaeced0879ff3156ba66d24374"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:35.939473Z","signature_b64":"IvC5tIvyp0YWKJg7lR6D3ydmOEp3J3Rh3ixIHvPuzWWi4sPm48WWOsAfG0S/jEAr64roZ+eT1NCcdocLEvHyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac74877ef7455baaceac85dc6f33271b55e032e01f9f616c2a87cc96367c5e83","last_reissued_at":"2026-05-18T03:13:35.938761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:35.938761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A 3D topological insulator quantum dot for optically controlled quantum memory and quantum computing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Hari P. Paudel, Michael N. Leuenberger","submitted_at":"2012-12-30T20:35:04Z","abstract_excerpt":"We present the model of a quantum dot (QD) consisting of a spherical core-bulk heterostructure made of 3D topological insulator (TI) materials, such as PbTe/Pb$_{0.31}$Sn$_{0.69}$Te, with bound massless and helical Weyl states existing at the interface and being confined in all three dimensions. The number of bound states can be controlled by tuning the size of the QD and the magnitude of the core and bulk energy gaps, which determine the confining potential. We demonstrate that such bound Weyl states can be realized for QD sizes of few nanometers. We identify the spin locking and the Kramers "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6772","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":"1212.6772","created_at":"2026-05-18T03:13:35.938862+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.6772v2","created_at":"2026-05-18T03:13:35.938862+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6772","created_at":"2026-05-18T03:13:35.938862+00:00"},{"alias_kind":"pith_short_12","alias_value":"VR2IO7XXIVN2","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"VR2IO7XXIVN2VTVM","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"VR2IO7XX","created_at":"2026-05-18T12:27:25.539911+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/VR2IO7XXIVN2VTVMQXOG6MZHDN","json":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN.json","graph_json":"https://pith.science/api/pith-number/VR2IO7XXIVN2VTVMQXOG6MZHDN/graph.json","events_json":"https://pith.science/api/pith-number/VR2IO7XXIVN2VTVMQXOG6MZHDN/events.json","paper":"https://pith.science/paper/VR2IO7XX"},"agent_actions":{"view_html":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN","download_json":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN.json","view_paper":"https://pith.science/paper/VR2IO7XX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.6772&json=true","fetch_graph":"https://pith.science/api/pith-number/VR2IO7XXIVN2VTVMQXOG6MZHDN/graph.json","fetch_events":"https://pith.science/api/pith-number/VR2IO7XXIVN2VTVMQXOG6MZHDN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN/action/storage_attestation","attest_author":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN/action/author_attestation","sign_citation":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN/action/citation_signature","submit_replication":"https://pith.science/pith/VR2IO7XXIVN2VTVMQXOG6MZHDN/action/replication_record"}},"created_at":"2026-05-18T03:13:35.938862+00:00","updated_at":"2026-05-18T03:13:35.938862+00:00"}