{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:YDJCGCYNCDB3UOFK3ZRGQJAQX6","short_pith_number":"pith:YDJCGCYN","schema_version":"1.0","canonical_sha256":"c0d2230b0d10c3ba38aade62682410bf94e7d25ffcf3555de0b4e3b2d1a0e4c4","source":{"kind":"arxiv","id":"2105.01832","version":1},"attestation_state":"computed","paper":{"title":"Thermal conductivity minimum of graded superlattices due to phonon localization","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Kazuhiko Hirakawa, Marc Bescond, Masahiro Nomura, Sebastian Volz, Shiyun Xiong, Yangyu Guo, Zhongwei Zhang","submitted_at":"2021-05-05T02:05:42Z","abstract_excerpt":"The Anderson localization of thermal phonons has been shown only in few nano-structures with strong random disorder by the exponential decay of transmission to zero and a thermal conductivity maximum when increasing system length. In this work, we present a path to demonstrate the phonon localization with distinctive features in graded superlattices with short-range order and long-range disorder. A thermal conductivity minimum with system length appears due to the exponential decay of transmission to a non-zero constant, which is a feature of partial phonon localization caused by the moderate "},"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":"2105.01832","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-05T02:05:42Z","cross_cats_sorted":[],"title_canon_sha256":"17a39b2c1de4647aad7deb0fde10d82f78af23b4f4997cce6e7bb974ff4af2bf","abstract_canon_sha256":"d07b6e2165c2d9cd90cd3ae768f89b1fcb7dd3517cbdbfeb2733e31b4a5c9549"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:15:10.426783Z","signature_b64":"ovZqAd7RIX0DMS2NlhJ10y46Rq7w44xS20p0bHBSAAXdU+vz8uj57u27uwwzjPoNcWNekHNTMWuaQZGK7bPVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0d2230b0d10c3ba38aade62682410bf94e7d25ffcf3555de0b4e3b2d1a0e4c4","last_reissued_at":"2026-07-05T03:15:10.426362Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:15:10.426362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thermal conductivity minimum of graded superlattices due to phonon localization","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Kazuhiko Hirakawa, Marc Bescond, Masahiro Nomura, Sebastian Volz, Shiyun Xiong, Yangyu Guo, Zhongwei Zhang","submitted_at":"2021-05-05T02:05:42Z","abstract_excerpt":"The Anderson localization of thermal phonons has been shown only in few nano-structures with strong random disorder by the exponential decay of transmission to zero and a thermal conductivity maximum when increasing system length. In this work, we present a path to demonstrate the phonon localization with distinctive features in graded superlattices with short-range order and long-range disorder. A thermal conductivity minimum with system length appears due to the exponential decay of transmission to a non-zero constant, which is a feature of partial phonon localization caused by the moderate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.01832","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/2105.01832/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":"2105.01832","created_at":"2026-07-05T03:15:10.426430+00:00"},{"alias_kind":"arxiv_version","alias_value":"2105.01832v1","created_at":"2026-07-05T03:15:10.426430+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.01832","created_at":"2026-07-05T03:15:10.426430+00:00"},{"alias_kind":"pith_short_12","alias_value":"YDJCGCYNCDB3","created_at":"2026-07-05T03:15:10.426430+00:00"},{"alias_kind":"pith_short_16","alias_value":"YDJCGCYNCDB3UOFK","created_at":"2026-07-05T03:15:10.426430+00:00"},{"alias_kind":"pith_short_8","alias_value":"YDJCGCYN","created_at":"2026-07-05T03:15:10.426430+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/YDJCGCYNCDB3UOFK3ZRGQJAQX6","json":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6.json","graph_json":"https://pith.science/api/pith-number/YDJCGCYNCDB3UOFK3ZRGQJAQX6/graph.json","events_json":"https://pith.science/api/pith-number/YDJCGCYNCDB3UOFK3ZRGQJAQX6/events.json","paper":"https://pith.science/paper/YDJCGCYN"},"agent_actions":{"view_html":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6","download_json":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6.json","view_paper":"https://pith.science/paper/YDJCGCYN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2105.01832&json=true","fetch_graph":"https://pith.science/api/pith-number/YDJCGCYNCDB3UOFK3ZRGQJAQX6/graph.json","fetch_events":"https://pith.science/api/pith-number/YDJCGCYNCDB3UOFK3ZRGQJAQX6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6/action/storage_attestation","attest_author":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6/action/author_attestation","sign_citation":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6/action/citation_signature","submit_replication":"https://pith.science/pith/YDJCGCYNCDB3UOFK3ZRGQJAQX6/action/replication_record"}},"created_at":"2026-07-05T03:15:10.426430+00:00","updated_at":"2026-07-05T03:15:10.426430+00:00"}