{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:3UD7LWNCK2PR7EHSRUY4HQQKAB","short_pith_number":"pith:3UD7LWNC","schema_version":"1.0","canonical_sha256":"dd07f5d9a2569f1f90f28d31c3c20a007e49e7a2aa7077db3a4b64485d297716","source":{"kind":"arxiv","id":"1901.10685","version":2},"attestation_state":"computed","paper":{"title":"Exceptional magnetic sensitivity of PT-symmetric cavity magnon polaritons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Peng Yan, Yunshan Cao","submitted_at":"2019-01-30T06:22:59Z","abstract_excerpt":"Achieving magnetometers with ultrahigh sensitivity at room temperature is an outstanding problem in physical sciences and engineering. Recently developed non-Hermitian cavity spintronics offers new possibilities. In this work we predict an exceptional magnetic sensitivity of cavity magnon polaritons with the peculiar parity-time (PT) symmetry. Based on the input-output formalism, we demonstrate a \"Z\"-shape spectrum including two sideband modes and a dark-state branch with an ultranarrow linewidth in the exact PT phase. The spectrum evolves to a step function when the polariton touches the thir"},"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":"1901.10685","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-30T06:22:59Z","cross_cats_sorted":[],"title_canon_sha256":"7961d9061c098ac742bc85e0c57a8fffd5b4f58cba49d1c410b40ebc8be07139","abstract_canon_sha256":"965416c2697a867ce89719019690b1778f3818ea31996689d2eb6b815c6c1c37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:03.620381Z","signature_b64":"mhrlX0yhsLffq336HSPeqSw5th4EX5HM7HuvOGYwSjnSaRh1mEw9BpaQScJu0xPLjWQmBnup43XTjzXlE+sUBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd07f5d9a2569f1f90f28d31c3c20a007e49e7a2aa7077db3a4b64485d297716","last_reissued_at":"2026-05-17T23:43:03.619916Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:03.619916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exceptional magnetic sensitivity of PT-symmetric cavity magnon polaritons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Peng Yan, Yunshan Cao","submitted_at":"2019-01-30T06:22:59Z","abstract_excerpt":"Achieving magnetometers with ultrahigh sensitivity at room temperature is an outstanding problem in physical sciences and engineering. Recently developed non-Hermitian cavity spintronics offers new possibilities. In this work we predict an exceptional magnetic sensitivity of cavity magnon polaritons with the peculiar parity-time (PT) symmetry. Based on the input-output formalism, we demonstrate a \"Z\"-shape spectrum including two sideband modes and a dark-state branch with an ultranarrow linewidth in the exact PT phase. The spectrum evolves to a step function when the polariton touches the thir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.10685","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":"1901.10685","created_at":"2026-05-17T23:43:03.619985+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.10685v2","created_at":"2026-05-17T23:43:03.619985+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.10685","created_at":"2026-05-17T23:43:03.619985+00:00"},{"alias_kind":"pith_short_12","alias_value":"3UD7LWNCK2PR","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"3UD7LWNCK2PR7EHS","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"3UD7LWNC","created_at":"2026-05-18T12:33:10.108867+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/3UD7LWNCK2PR7EHSRUY4HQQKAB","json":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB.json","graph_json":"https://pith.science/api/pith-number/3UD7LWNCK2PR7EHSRUY4HQQKAB/graph.json","events_json":"https://pith.science/api/pith-number/3UD7LWNCK2PR7EHSRUY4HQQKAB/events.json","paper":"https://pith.science/paper/3UD7LWNC"},"agent_actions":{"view_html":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB","download_json":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB.json","view_paper":"https://pith.science/paper/3UD7LWNC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.10685&json=true","fetch_graph":"https://pith.science/api/pith-number/3UD7LWNCK2PR7EHSRUY4HQQKAB/graph.json","fetch_events":"https://pith.science/api/pith-number/3UD7LWNCK2PR7EHSRUY4HQQKAB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB/action/storage_attestation","attest_author":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB/action/author_attestation","sign_citation":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB/action/citation_signature","submit_replication":"https://pith.science/pith/3UD7LWNCK2PR7EHSRUY4HQQKAB/action/replication_record"}},"created_at":"2026-05-17T23:43:03.619985+00:00","updated_at":"2026-05-17T23:43:03.619985+00:00"}