{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:XC3E2E2NY3IOCRXKTIPTPESDQV","short_pith_number":"pith:XC3E2E2N","schema_version":"1.0","canonical_sha256":"b8b64d134dc6d0e146ea9a1f379243857ae54c3c1531c0c6a5a6a60045529a14","source":{"kind":"arxiv","id":"1904.06355","version":3},"attestation_state":"computed","paper":{"title":"Topological Phase Transition driven by Infinitesimal Instability: Majorana Fermions in Non-Hermitian Spintronics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.quant-gas","cond-mat.supr-con","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Masatoshi Sato, Nobuyuki Okuma","submitted_at":"2019-04-12T18:00:04Z","abstract_excerpt":"Quantum phase transitions are intriguing and fundamental cooperative phenomena in physics. Analyzing a superconducting nanowire with spin-dependent non-Hermitian hopping, we discover a topological quantum phase transition driven by infinitesimal cascade instability. The anomalous phase transition is complementary to the universal non-Bloch wave behavior of non-Hermitian systems. We show that an infinite small magnetic field drastically suppresses the non-Hermitian skin effect, inducing a topological phase with Majorana boundary states. Furthermore, by identifying the bulk topological invariant"},"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":"1904.06355","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-12T18:00:04Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.quant-gas","cond-mat.supr-con","quant-ph"],"title_canon_sha256":"86fa72ba1e279b8e1e93ac3e7cf5260a3d485283d10486b2787948fa98a4de9c","abstract_canon_sha256":"efd5ea5150341fbed324217e5ff5eb7cbf08adeb177c64707e5c2992c46b9175"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:00:34.400387Z","signature_b64":"NuBgINzcxsybGw68+Nw6rRY+8cWCwwnk2upSRsWo/zmuGzTFN+hELaJ/ythO5gSTHBW3e0HsV2yKHAjFrPaXAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8b64d134dc6d0e146ea9a1f379243857ae54c3c1531c0c6a5a6a60045529a14","last_reissued_at":"2026-07-05T00:00:34.399915Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:00:34.399915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological Phase Transition driven by Infinitesimal Instability: Majorana Fermions in Non-Hermitian Spintronics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.quant-gas","cond-mat.supr-con","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Masatoshi Sato, Nobuyuki Okuma","submitted_at":"2019-04-12T18:00:04Z","abstract_excerpt":"Quantum phase transitions are intriguing and fundamental cooperative phenomena in physics. Analyzing a superconducting nanowire with spin-dependent non-Hermitian hopping, we discover a topological quantum phase transition driven by infinitesimal cascade instability. The anomalous phase transition is complementary to the universal non-Bloch wave behavior of non-Hermitian systems. We show that an infinite small magnetic field drastically suppresses the non-Hermitian skin effect, inducing a topological phase with Majorana boundary states. Furthermore, by identifying the bulk topological invariant"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06355","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1904.06355/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1904.06355","created_at":"2026-07-05T00:00:34.399970+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.06355v3","created_at":"2026-07-05T00:00:34.399970+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06355","created_at":"2026-07-05T00:00:34.399970+00:00"},{"alias_kind":"pith_short_12","alias_value":"XC3E2E2NY3IO","created_at":"2026-07-05T00:00:34.399970+00:00"},{"alias_kind":"pith_short_16","alias_value":"XC3E2E2NY3IOCRXK","created_at":"2026-07-05T00:00:34.399970+00:00"},{"alias_kind":"pith_short_8","alias_value":"XC3E2E2N","created_at":"2026-07-05T00:00:34.399970+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.09438","citing_title":"Generalized bulk-edge correspondence for non-hermitian topological systems","ref_index":18,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV","json":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV.json","graph_json":"https://pith.science/api/pith-number/XC3E2E2NY3IOCRXKTIPTPESDQV/graph.json","events_json":"https://pith.science/api/pith-number/XC3E2E2NY3IOCRXKTIPTPESDQV/events.json","paper":"https://pith.science/paper/XC3E2E2N"},"agent_actions":{"view_html":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV","download_json":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV.json","view_paper":"https://pith.science/paper/XC3E2E2N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.06355&json=true","fetch_graph":"https://pith.science/api/pith-number/XC3E2E2NY3IOCRXKTIPTPESDQV/graph.json","fetch_events":"https://pith.science/api/pith-number/XC3E2E2NY3IOCRXKTIPTPESDQV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV/action/storage_attestation","attest_author":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV/action/author_attestation","sign_citation":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV/action/citation_signature","submit_replication":"https://pith.science/pith/XC3E2E2NY3IOCRXKTIPTPESDQV/action/replication_record"}},"created_at":"2026-07-05T00:00:34.399970+00:00","updated_at":"2026-07-05T00:00:34.399970+00:00"}