{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:VAEHDHWN5IAKROTGIYPEMASLXV","short_pith_number":"pith:VAEHDHWN","schema_version":"1.0","canonical_sha256":"a808719ecdea00a8ba66461e46024bbd741374cdfd29ee5f9b818fe553242ce5","source":{"kind":"arxiv","id":"1712.03392","version":1},"attestation_state":"computed","paper":{"title":"Magnonic waveguide based on exchange-spring magnetic structure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Huaiwu Zhang, Leisen Gao, Lichuan Jin, Lixiang Wang, Tianlong Wen, Xiaoli Tang, Yulong Liao, Zhiyong Zhong","submitted_at":"2017-12-09T14:29:54Z","abstract_excerpt":"We propose to use a soft/hard exchange-spring coupling bilayer magnetic structure to introduce a narrow channel for spin-wave propagation. We show by micromagnetic simulations that broad-band Damon-Eshbach geometry spin waves can be strongly localized into the channel and propagate effectively with a proper high group velocity. The beamwidth of the bound mode spin waves is almost independent from the frequency and is smaller than 24nm. For a low-frequency excitation, we further investigate the appearance of two other spin beams in the lateral of the channel. In contrast to a domain wall, the c"},"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":"1712.03392","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2017-12-09T14:29:54Z","cross_cats_sorted":[],"title_canon_sha256":"fddc84ca332ca49551d4294c64a734b4300b53af6327ccbbe524c4d5997f2eca","abstract_canon_sha256":"f968df0d65e4b42484cfc1667b087099ff46d762206c7dcb5194e8f7c1c64774"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:21.435435Z","signature_b64":"u2bjxi1pxkenEqOJ6/28CQdwGX7C7Ra0ZdYURZWv547tshF9T4sNnxgxB5IVYwq/oz+7Lw4+f5bPLTlIiFKuAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a808719ecdea00a8ba66461e46024bbd741374cdfd29ee5f9b818fe553242ce5","last_reissued_at":"2026-05-18T00:28:21.434689Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:21.434689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnonic waveguide based on exchange-spring magnetic structure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Huaiwu Zhang, Leisen Gao, Lichuan Jin, Lixiang Wang, Tianlong Wen, Xiaoli Tang, Yulong Liao, Zhiyong Zhong","submitted_at":"2017-12-09T14:29:54Z","abstract_excerpt":"We propose to use a soft/hard exchange-spring coupling bilayer magnetic structure to introduce a narrow channel for spin-wave propagation. We show by micromagnetic simulations that broad-band Damon-Eshbach geometry spin waves can be strongly localized into the channel and propagate effectively with a proper high group velocity. The beamwidth of the bound mode spin waves is almost independent from the frequency and is smaller than 24nm. For a low-frequency excitation, we further investigate the appearance of two other spin beams in the lateral of the channel. In contrast to a domain wall, the c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03392","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":"1712.03392","created_at":"2026-05-18T00:28:21.434797+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.03392v1","created_at":"2026-05-18T00:28:21.434797+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03392","created_at":"2026-05-18T00:28:21.434797+00:00"},{"alias_kind":"pith_short_12","alias_value":"VAEHDHWN5IAK","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"VAEHDHWN5IAKROTG","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"VAEHDHWN","created_at":"2026-05-18T12:31:49.984773+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/VAEHDHWN5IAKROTGIYPEMASLXV","json":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV.json","graph_json":"https://pith.science/api/pith-number/VAEHDHWN5IAKROTGIYPEMASLXV/graph.json","events_json":"https://pith.science/api/pith-number/VAEHDHWN5IAKROTGIYPEMASLXV/events.json","paper":"https://pith.science/paper/VAEHDHWN"},"agent_actions":{"view_html":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV","download_json":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV.json","view_paper":"https://pith.science/paper/VAEHDHWN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.03392&json=true","fetch_graph":"https://pith.science/api/pith-number/VAEHDHWN5IAKROTGIYPEMASLXV/graph.json","fetch_events":"https://pith.science/api/pith-number/VAEHDHWN5IAKROTGIYPEMASLXV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV/action/storage_attestation","attest_author":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV/action/author_attestation","sign_citation":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV/action/citation_signature","submit_replication":"https://pith.science/pith/VAEHDHWN5IAKROTGIYPEMASLXV/action/replication_record"}},"created_at":"2026-05-18T00:28:21.434797+00:00","updated_at":"2026-05-18T00:28:21.434797+00:00"}