{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:5MN74LVQSY766UNSAMIG4Z6ZAV","short_pith_number":"pith:5MN74LVQ","schema_version":"1.0","canonical_sha256":"eb1bfe2eb0963fef51b203106e67d90552aa5d878aaa2977ef5a19d9454bb5dc","source":{"kind":"arxiv","id":"2608.06476","version":1},"attestation_state":"computed","paper":{"title":"Theory of spin-wave transport in ferromagnet-superconductor heterostructures: Negative refraction, perfect imaging and temperature-controlled spin-wave optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Merel A. Bouma, Michael Borst, Pim H. Vree, Rembert A. Duine, Thijs van der Meer, Toeno van der Sar, Tomas T. Osterholt","submitted_at":"2026-08-06T18:14:08Z","abstract_excerpt":"We investigate spin-wave transport in ferromagnetic insulator-superconductor (FMI-SC) heterostructures and develop a general theoretical framework for spin-wave optics in these hybrid systems. We demonstrate that Meissner screening by the superconductor gives rise to a range of unconventional wave phenomena, including negative phase- and group-velocity refraction, and reflection and refraction laws that differ fundamentally from their optical counterparts. Within this framework, we derive the spin-wave Fresnel equations governing reflection and transmission at FMI-SC interfaces and show that t"},"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":"2608.06476","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-08-06T18:14:08Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"1592f53dd88d33a32347d6006875fd99b0eb65cef61c6ae3d1f8b8a87eb67bbb","abstract_canon_sha256":"c8a0242b172034f281abca555f42dfe215623f12706503480abc160159650fff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-10T01:10:48.070100Z","signature_b64":"Giti/6jb/4Wg4+bbHXYtIU2SI6MP+13dY+Gn8MnlvZPM4jGMiSJstvQFpuJrXi7D9hY42OMq0cj52mjyeLgfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb1bfe2eb0963fef51b203106e67d90552aa5d878aaa2977ef5a19d9454bb5dc","last_reissued_at":"2026-08-10T01:10:48.067811Z","signature_status":"signed_v1","first_computed_at":"2026-08-10T01:10:48.067811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theory of spin-wave transport in ferromagnet-superconductor heterostructures: Negative refraction, perfect imaging and temperature-controlled spin-wave optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Merel A. Bouma, Michael Borst, Pim H. Vree, Rembert A. Duine, Thijs van der Meer, Toeno van der Sar, Tomas T. Osterholt","submitted_at":"2026-08-06T18:14:08Z","abstract_excerpt":"We investigate spin-wave transport in ferromagnetic insulator-superconductor (FMI-SC) heterostructures and develop a general theoretical framework for spin-wave optics in these hybrid systems. We demonstrate that Meissner screening by the superconductor gives rise to a range of unconventional wave phenomena, including negative phase- and group-velocity refraction, and reflection and refraction laws that differ fundamentally from their optical counterparts. Within this framework, we derive the spin-wave Fresnel equations governing reflection and transmission at FMI-SC interfaces and show that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.06476","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.06476/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":"2608.06476","created_at":"2026-08-10T01:10:48.068754+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.06476v1","created_at":"2026-08-10T01:10:48.068754+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.06476","created_at":"2026-08-10T01:10:48.068754+00:00"},{"alias_kind":"pith_short_12","alias_value":"5MN74LVQSY76","created_at":"2026-08-10T01:10:48.068754+00:00"},{"alias_kind":"pith_short_16","alias_value":"5MN74LVQSY766UNS","created_at":"2026-08-10T01:10:48.068754+00:00"},{"alias_kind":"pith_short_8","alias_value":"5MN74LVQ","created_at":"2026-08-10T01:10:48.068754+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/5MN74LVQSY766UNSAMIG4Z6ZAV","json":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV.json","graph_json":"https://pith.science/api/pith-number/5MN74LVQSY766UNSAMIG4Z6ZAV/graph.json","events_json":"https://pith.science/api/pith-number/5MN74LVQSY766UNSAMIG4Z6ZAV/events.json","paper":"https://pith.science/paper/5MN74LVQ"},"agent_actions":{"view_html":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV","download_json":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV.json","view_paper":"https://pith.science/paper/5MN74LVQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.06476&json=true","fetch_graph":"https://pith.science/api/pith-number/5MN74LVQSY766UNSAMIG4Z6ZAV/graph.json","fetch_events":"https://pith.science/api/pith-number/5MN74LVQSY766UNSAMIG4Z6ZAV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV/action/storage_attestation","attest_author":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV/action/author_attestation","sign_citation":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV/action/citation_signature","submit_replication":"https://pith.science/pith/5MN74LVQSY766UNSAMIG4Z6ZAV/action/replication_record"}},"created_at":"2026-08-10T01:10:48.068754+00:00","updated_at":"2026-08-10T01:10:48.068754+00:00"}