{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:GAY2FPAFOSY7MZ2FGUIZ7QT55L","short_pith_number":"pith:GAY2FPAF","schema_version":"1.0","canonical_sha256":"3031a2bc0574b1f6674535119fc27deac2b3e21584229cd098f7bafbcc7f242d","source":{"kind":"arxiv","id":"2111.02236","version":1},"attestation_state":"computed","paper":{"title":"Efficient geometrical control of spin waves in microscopic YIG waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Divinskiy, G. Schmidt, S. O. Demokritov, S. R. Lake, V. E. Demidov","submitted_at":"2021-11-03T13:56:08Z","abstract_excerpt":"We study experimentally and by micromagnetic simulations the propagation of spin waves in 100-nm thick YIG waveguides, where the width linearly decreases from 2 to 0.5 micrometers over a transition region with varying length between 2.5 and 10 micrometers. We show that this geometry results in a down-conversion of the wavelength, enabling efficient generation of waves with wavelengths down to 350 nm. We also find that this geometry leads to a modification of the group velocity, allowing for almost-dispersionless propagation of spin-wave pulses. Moreover, we demonstrate that the influence of en"},"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":"2111.02236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-11-03T13:56:08Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph","physics.optics"],"title_canon_sha256":"bff08dc9c36eabaa0a5f4d1d969633d4888c35c2c679c53cd63febb6b517ef5d","abstract_canon_sha256":"befec41c8b0b518a5d33bc8a82ba8412ca7fa587334c9352209351835287473d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:28:48.789461Z","signature_b64":"uMBXBnWLVrlpPHus092ldJ9FUzcUUirmUDefK13/zKRWkr20cm8170GH8p92cJxhCgIFz2hSw5m/ORS5ulaOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3031a2bc0574b1f6674535119fc27deac2b3e21584229cd098f7bafbcc7f242d","last_reissued_at":"2026-07-05T03:28:48.789012Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:28:48.789012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Efficient geometrical control of spin waves in microscopic YIG waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Divinskiy, G. Schmidt, S. O. Demokritov, S. R. Lake, V. E. Demidov","submitted_at":"2021-11-03T13:56:08Z","abstract_excerpt":"We study experimentally and by micromagnetic simulations the propagation of spin waves in 100-nm thick YIG waveguides, where the width linearly decreases from 2 to 0.5 micrometers over a transition region with varying length between 2.5 and 10 micrometers. We show that this geometry results in a down-conversion of the wavelength, enabling efficient generation of waves with wavelengths down to 350 nm. We also find that this geometry leads to a modification of the group velocity, allowing for almost-dispersionless propagation of spin-wave pulses. Moreover, we demonstrate that the influence of en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.02236","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/2111.02236/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":"2111.02236","created_at":"2026-07-05T03:28:48.789075+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.02236v1","created_at":"2026-07-05T03:28:48.789075+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.02236","created_at":"2026-07-05T03:28:48.789075+00:00"},{"alias_kind":"pith_short_12","alias_value":"GAY2FPAFOSY7","created_at":"2026-07-05T03:28:48.789075+00:00"},{"alias_kind":"pith_short_16","alias_value":"GAY2FPAFOSY7MZ2F","created_at":"2026-07-05T03:28:48.789075+00:00"},{"alias_kind":"pith_short_8","alias_value":"GAY2FPAF","created_at":"2026-07-05T03:28:48.789075+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/GAY2FPAFOSY7MZ2FGUIZ7QT55L","json":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L.json","graph_json":"https://pith.science/api/pith-number/GAY2FPAFOSY7MZ2FGUIZ7QT55L/graph.json","events_json":"https://pith.science/api/pith-number/GAY2FPAFOSY7MZ2FGUIZ7QT55L/events.json","paper":"https://pith.science/paper/GAY2FPAF"},"agent_actions":{"view_html":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L","download_json":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L.json","view_paper":"https://pith.science/paper/GAY2FPAF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.02236&json=true","fetch_graph":"https://pith.science/api/pith-number/GAY2FPAFOSY7MZ2FGUIZ7QT55L/graph.json","fetch_events":"https://pith.science/api/pith-number/GAY2FPAFOSY7MZ2FGUIZ7QT55L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L/action/storage_attestation","attest_author":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L/action/author_attestation","sign_citation":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L/action/citation_signature","submit_replication":"https://pith.science/pith/GAY2FPAFOSY7MZ2FGUIZ7QT55L/action/replication_record"}},"created_at":"2026-07-05T03:28:48.789075+00:00","updated_at":"2026-07-05T03:28:48.789075+00:00"}