{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:BSKJXLOXZYZ766LVJCDLE3H47T","short_pith_number":"pith:BSKJXLOX","schema_version":"1.0","canonical_sha256":"0c949badd7ce33ff79754886b26cfcfce196f6aed627d9ea7cacec82762eb5eb","source":{"kind":"arxiv","id":"1201.5425","version":2},"attestation_state":"computed","paper":{"title":"Large and homogeneous mass enhancement in the rattling-induced superconductor KOs$_2$O$_6$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Andhika Kiswandhi, Eun-Sang Choi, Hisatomo Harima, James S. Brooks, Jun-ichi Yamaura, Kota Sato, Nobuyuki Kurita, Shinya Uji, Taichi Terashima, Zenji Hiroi","submitted_at":"2012-01-26T01:38:05Z","abstract_excerpt":"We have determined the Fermi surface in KOs$_2$O$_6$ ($T_c$ = 9.6 K and $B_{c2} \\sim$ 32 T) via de Haas-van Alphen (dHvA) oscillation measurements and a band structure calculation. We find effective masses up to 26(1) $m_e$ ($m_e$ is the free electron mass), which are unusually heavy for compounds where the mass enhancement is mostly due to electron-phonon interactions. Orbit-resolved mass enhancement parameters $\\lambda_{dHvA}$ are large but fairly homogeneous, concentrated in the range 5 -- 8. We discuss origins of the large homogeneous mass enhancement in terms of rattling motion of the K i"},"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":"1201.5425","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-01-26T01:38:05Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"3193c531140654227d9a0079f78b91d28ede40168965ef4fbde6baec7ce699a2","abstract_canon_sha256":"29821d80f18eea076c8d5dce5294da9aa98e75ff71dad4b37de35f1ad4742e45"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:23.308275Z","signature_b64":"x15RfEVYHAo9eN7NqyqEyjBjkQgQVV8EZfTC8vifd6xnatmQbx90PvTiMaCdEV+lRarHC6Z6cZ/I+RyIAWwGBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c949badd7ce33ff79754886b26cfcfce196f6aed627d9ea7cacec82762eb5eb","last_reissued_at":"2026-05-18T03:55:23.307747Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:23.307747Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large and homogeneous mass enhancement in the rattling-induced superconductor KOs$_2$O$_6$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Andhika Kiswandhi, Eun-Sang Choi, Hisatomo Harima, James S. Brooks, Jun-ichi Yamaura, Kota Sato, Nobuyuki Kurita, Shinya Uji, Taichi Terashima, Zenji Hiroi","submitted_at":"2012-01-26T01:38:05Z","abstract_excerpt":"We have determined the Fermi surface in KOs$_2$O$_6$ ($T_c$ = 9.6 K and $B_{c2} \\sim$ 32 T) via de Haas-van Alphen (dHvA) oscillation measurements and a band structure calculation. We find effective masses up to 26(1) $m_e$ ($m_e$ is the free electron mass), which are unusually heavy for compounds where the mass enhancement is mostly due to electron-phonon interactions. Orbit-resolved mass enhancement parameters $\\lambda_{dHvA}$ are large but fairly homogeneous, concentrated in the range 5 -- 8. We discuss origins of the large homogeneous mass enhancement in terms of rattling motion of the K i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5425","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":"1201.5425","created_at":"2026-05-18T03:55:23.307826+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.5425v2","created_at":"2026-05-18T03:55:23.307826+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5425","created_at":"2026-05-18T03:55:23.307826+00:00"},{"alias_kind":"pith_short_12","alias_value":"BSKJXLOXZYZ7","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"BSKJXLOXZYZ766LV","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"BSKJXLOX","created_at":"2026-05-18T12:27:01.376967+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/BSKJXLOXZYZ766LVJCDLE3H47T","json":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T.json","graph_json":"https://pith.science/api/pith-number/BSKJXLOXZYZ766LVJCDLE3H47T/graph.json","events_json":"https://pith.science/api/pith-number/BSKJXLOXZYZ766LVJCDLE3H47T/events.json","paper":"https://pith.science/paper/BSKJXLOX"},"agent_actions":{"view_html":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T","download_json":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T.json","view_paper":"https://pith.science/paper/BSKJXLOX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.5425&json=true","fetch_graph":"https://pith.science/api/pith-number/BSKJXLOXZYZ766LVJCDLE3H47T/graph.json","fetch_events":"https://pith.science/api/pith-number/BSKJXLOXZYZ766LVJCDLE3H47T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T/action/storage_attestation","attest_author":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T/action/author_attestation","sign_citation":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T/action/citation_signature","submit_replication":"https://pith.science/pith/BSKJXLOXZYZ766LVJCDLE3H47T/action/replication_record"}},"created_at":"2026-05-18T03:55:23.307826+00:00","updated_at":"2026-05-18T03:55:23.307826+00:00"}