{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:2DNQH2JOIWDG3J3TY5AQYHOWFH","short_pith_number":"pith:2DNQH2JO","schema_version":"1.0","canonical_sha256":"d0db03e92e45866da773c7410c1dd629e53c2e7b46bfe79aa10b2889fed6831c","source":{"kind":"arxiv","id":"1506.01745","version":2},"attestation_state":"computed","paper":{"title":"The role of spin fluctuations in the conductivity of CrO$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Arunava Gupta, Diyar Talbayev, Kate H. Heffernan, Shukai Yu, Skylar Deckoff-Jones, Xueyu Zhang","submitted_at":"2015-06-04T22:58:00Z","abstract_excerpt":"We present a time-resolved terahertz spectroscopic study of the half-metallic ferromagnet CrO$_2$. The ultrafast conductivity dynamics excited by an optical pump displays a very short (several picoseconds) and a very long (several hundred picoseconds) characteristic time scales. We attribute the former to the electron-phonon relaxation and the latter to the spin-lattice relaxation. We use this distinction to quantify the relative contribution of the scattering by spin fluctuations to the resistivity of CrO$_2$: we find that they contribute less than one half of all scattering events below room"},"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":"1506.01745","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-04T22:58:00Z","cross_cats_sorted":[],"title_canon_sha256":"e5e09f80b3aac335d36447df44cfe7366e23f2a8b25df8eeddd597acf43a073b","abstract_canon_sha256":"9c299ec8249cd10acb41043662b0e60622709388a4328677bec0116cea98ef6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:07.204835Z","signature_b64":"ZVPE+eYOLB+lhNLAO+sp7c6d6NODGJ7Ic4E9mfeNauwFavbK3/uAYCPniLGIUJfkOZMh+5N2cgwUEvw2/2ngBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0db03e92e45866da773c7410c1dd629e53c2e7b46bfe79aa10b2889fed6831c","last_reissued_at":"2026-05-18T01:16:07.204097Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:07.204097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The role of spin fluctuations in the conductivity of CrO$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Arunava Gupta, Diyar Talbayev, Kate H. Heffernan, Shukai Yu, Skylar Deckoff-Jones, Xueyu Zhang","submitted_at":"2015-06-04T22:58:00Z","abstract_excerpt":"We present a time-resolved terahertz spectroscopic study of the half-metallic ferromagnet CrO$_2$. The ultrafast conductivity dynamics excited by an optical pump displays a very short (several picoseconds) and a very long (several hundred picoseconds) characteristic time scales. We attribute the former to the electron-phonon relaxation and the latter to the spin-lattice relaxation. We use this distinction to quantify the relative contribution of the scattering by spin fluctuations to the resistivity of CrO$_2$: we find that they contribute less than one half of all scattering events below room"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.01745","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":"1506.01745","created_at":"2026-05-18T01:16:07.204220+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.01745v2","created_at":"2026-05-18T01:16:07.204220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.01745","created_at":"2026-05-18T01:16:07.204220+00:00"},{"alias_kind":"pith_short_12","alias_value":"2DNQH2JOIWDG","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_16","alias_value":"2DNQH2JOIWDG3J3T","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_8","alias_value":"2DNQH2JO","created_at":"2026-05-18T12:28:59.999130+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/2DNQH2JOIWDG3J3TY5AQYHOWFH","json":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH.json","graph_json":"https://pith.science/api/pith-number/2DNQH2JOIWDG3J3TY5AQYHOWFH/graph.json","events_json":"https://pith.science/api/pith-number/2DNQH2JOIWDG3J3TY5AQYHOWFH/events.json","paper":"https://pith.science/paper/2DNQH2JO"},"agent_actions":{"view_html":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH","download_json":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH.json","view_paper":"https://pith.science/paper/2DNQH2JO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.01745&json=true","fetch_graph":"https://pith.science/api/pith-number/2DNQH2JOIWDG3J3TY5AQYHOWFH/graph.json","fetch_events":"https://pith.science/api/pith-number/2DNQH2JOIWDG3J3TY5AQYHOWFH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH/action/storage_attestation","attest_author":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH/action/author_attestation","sign_citation":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH/action/citation_signature","submit_replication":"https://pith.science/pith/2DNQH2JOIWDG3J3TY5AQYHOWFH/action/replication_record"}},"created_at":"2026-05-18T01:16:07.204220+00:00","updated_at":"2026-05-18T01:16:07.204220+00:00"}