{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:7XNX3BAXDIYW5ZOV7YKAIT6BWR","short_pith_number":"pith:7XNX3BAX","schema_version":"1.0","canonical_sha256":"fddb7d84171a316ee5d5fe14044fc1b47fd5ad35c1f3031e34a7c31366b2f455","source":{"kind":"arxiv","id":"1308.6108","version":1},"attestation_state":"computed","paper":{"title":"Majorana states in helical Shiba chains and ladders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alex Weststr\\\"om, Joel R\\\"ontynen, Kim P\\\"oyh\\\"onen, Teemu Ojanen","submitted_at":"2013-08-28T09:46:26Z","abstract_excerpt":"Motivated by recent proposals to realize Majorana bound states in chains and arrays of magnetic atoms deposited on top of a superconductor, we study the topological properties of various chain structures, ladders and two-dimensional arrangements exhibiting magnetic helices. We show that magnetic domain walls where the chirality of a magnetic helix is inverted support two protected Majorana states giving rise to a tunneling conductance peak twice the height of a single Majorana state. The topological properties of coupled chains exhibit nontrivial behaviour as a function of the number of chains"},"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":"1308.6108","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-28T09:46:26Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"04909529407460a35a151f98fcbbe530d4a2f2b3ad16a98a23b81a1110e01903","abstract_canon_sha256":"90416635108de937ff9301597ca8dccab07eaac7ecbd96e9d5a5f73b2b333875"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:57.572760Z","signature_b64":"/AKj7N6H9+jxTkxklEjLMm2cVZgnmKEIM+47ndFD/8gGO3h2Uv5PkHavPqVm1abFyQb12JeZif207WzDCguJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fddb7d84171a316ee5d5fe14044fc1b47fd5ad35c1f3031e34a7c31366b2f455","last_reissued_at":"2026-05-18T01:47:57.572180Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:57.572180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Majorana states in helical Shiba chains and ladders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alex Weststr\\\"om, Joel R\\\"ontynen, Kim P\\\"oyh\\\"onen, Teemu Ojanen","submitted_at":"2013-08-28T09:46:26Z","abstract_excerpt":"Motivated by recent proposals to realize Majorana bound states in chains and arrays of magnetic atoms deposited on top of a superconductor, we study the topological properties of various chain structures, ladders and two-dimensional arrangements exhibiting magnetic helices. We show that magnetic domain walls where the chirality of a magnetic helix is inverted support two protected Majorana states giving rise to a tunneling conductance peak twice the height of a single Majorana state. The topological properties of coupled chains exhibit nontrivial behaviour as a function of the number of chains"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.6108","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":"1308.6108","created_at":"2026-05-18T01:47:57.572263+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.6108v1","created_at":"2026-05-18T01:47:57.572263+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.6108","created_at":"2026-05-18T01:47:57.572263+00:00"},{"alias_kind":"pith_short_12","alias_value":"7XNX3BAXDIYW","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"7XNX3BAXDIYW5ZOV","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"7XNX3BAX","created_at":"2026-05-18T12:27:38.830355+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/7XNX3BAXDIYW5ZOV7YKAIT6BWR","json":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR.json","graph_json":"https://pith.science/api/pith-number/7XNX3BAXDIYW5ZOV7YKAIT6BWR/graph.json","events_json":"https://pith.science/api/pith-number/7XNX3BAXDIYW5ZOV7YKAIT6BWR/events.json","paper":"https://pith.science/paper/7XNX3BAX"},"agent_actions":{"view_html":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR","download_json":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR.json","view_paper":"https://pith.science/paper/7XNX3BAX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.6108&json=true","fetch_graph":"https://pith.science/api/pith-number/7XNX3BAXDIYW5ZOV7YKAIT6BWR/graph.json","fetch_events":"https://pith.science/api/pith-number/7XNX3BAXDIYW5ZOV7YKAIT6BWR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR/action/storage_attestation","attest_author":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR/action/author_attestation","sign_citation":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR/action/citation_signature","submit_replication":"https://pith.science/pith/7XNX3BAXDIYW5ZOV7YKAIT6BWR/action/replication_record"}},"created_at":"2026-05-18T01:47:57.572263+00:00","updated_at":"2026-05-18T01:47:57.572263+00:00"}