{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:ID5I4UUWSSIYIGAN35Q4WQWWNF","short_pith_number":"pith:ID5I4UUW","schema_version":"1.0","canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","source":{"kind":"arxiv","id":"2412.13278","version":2},"attestation_state":"computed","paper":{"title":"Symmetry-mediated quantum coherence of $W^{5+}$ spins in an oxygen-deficient double perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Abby N. Neill, Danna E. Freedman, Maxime A. Siegler, Mekhola Sinha, Paul H. Oyala, Peter V. Sushko, Shannon Bernier, Tyler J. Pearson, Tyrel M. McQueen, W. Adam Phelan","submitted_at":"2024-12-17T19:14:36Z","abstract_excerpt":"Elucidating the factors limiting quantum coherence in real materials is essential to the development of quantum technologies. Here we report a strategic approach to determine the effect of lattice dynamics on spin coherence lifetimes using oxygen deficient double perovskites as host materials. In addition to obtaining millisecond $T_1$ spin-lattice lifetimes at T ~ 10 K, measurable quantum superpositions were observed up to room temperature. We determine that $T_2$ enhancement in $Sr_2CaWO_{6-\\delta}$ over previously studied $Ba_2CaWO_{6-\\delta}$ is caused by a dynamically-driven increase in e"},"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":"2412.13278","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T19:14:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6940b9e413dd08e5ac956218d6b851142494f08f7f568cedebd92e87cb4cf11","abstract_canon_sha256":"d4ab8431e45195e3def8bc7fc66a4660648819d7283de2ebdfb97564bef897e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:14:07.848988Z","signature_b64":"GqpGFwA5TRYwc6VxkY4Jh4acQuYybNIzPFLHHFCIpofbUy1q94eQ7/7ke5oc5DI1Fv+B/dvhNw286bzGMfabAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40fa8e5296949184180ddf61cb42d6694dcb9020ff84901fae8251352aae7622","last_reissued_at":"2026-07-05T10:14:07.848421Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:14:07.848421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Symmetry-mediated quantum coherence of $W^{5+}$ spins in an oxygen-deficient double perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Abby N. Neill, Danna E. Freedman, Maxime A. Siegler, Mekhola Sinha, Paul H. Oyala, Peter V. Sushko, Shannon Bernier, Tyler J. Pearson, Tyrel M. McQueen, W. Adam Phelan","submitted_at":"2024-12-17T19:14:36Z","abstract_excerpt":"Elucidating the factors limiting quantum coherence in real materials is essential to the development of quantum technologies. Here we report a strategic approach to determine the effect of lattice dynamics on spin coherence lifetimes using oxygen deficient double perovskites as host materials. In addition to obtaining millisecond $T_1$ spin-lattice lifetimes at T ~ 10 K, measurable quantum superpositions were observed up to room temperature. We determine that $T_2$ enhancement in $Sr_2CaWO_{6-\\delta}$ over previously studied $Ba_2CaWO_{6-\\delta}$ is caused by a dynamically-driven increase in e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.13278","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.13278/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":"2412.13278","created_at":"2026-07-05T10:14:07.848477+00:00"},{"alias_kind":"arxiv_version","alias_value":"2412.13278v2","created_at":"2026-07-05T10:14:07.848477+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.13278","created_at":"2026-07-05T10:14:07.848477+00:00"},{"alias_kind":"pith_short_12","alias_value":"ID5I4UUWSSIY","created_at":"2026-07-05T10:14:07.848477+00:00"},{"alias_kind":"pith_short_16","alias_value":"ID5I4UUWSSIYIGAN","created_at":"2026-07-05T10:14:07.848477+00:00"},{"alias_kind":"pith_short_8","alias_value":"ID5I4UUW","created_at":"2026-07-05T10:14:07.848477+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/ID5I4UUWSSIYIGAN35Q4WQWWNF","json":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF.json","graph_json":"https://pith.science/api/pith-number/ID5I4UUWSSIYIGAN35Q4WQWWNF/graph.json","events_json":"https://pith.science/api/pith-number/ID5I4UUWSSIYIGAN35Q4WQWWNF/events.json","paper":"https://pith.science/paper/ID5I4UUW"},"agent_actions":{"view_html":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF","download_json":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF.json","view_paper":"https://pith.science/paper/ID5I4UUW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2412.13278&json=true","fetch_graph":"https://pith.science/api/pith-number/ID5I4UUWSSIYIGAN35Q4WQWWNF/graph.json","fetch_events":"https://pith.science/api/pith-number/ID5I4UUWSSIYIGAN35Q4WQWWNF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/action/storage_attestation","attest_author":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/action/author_attestation","sign_citation":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/action/citation_signature","submit_replication":"https://pith.science/pith/ID5I4UUWSSIYIGAN35Q4WQWWNF/action/replication_record"}},"created_at":"2026-07-05T10:14:07.848477+00:00","updated_at":"2026-07-05T10:14:07.848477+00:00"}