{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:HCE3BDN54UW2EO3UQMPAVXBWSK","short_pith_number":"pith:HCE3BDN5","schema_version":"1.0","canonical_sha256":"3889b08dbde52da23b74831e0adc3692bac08106d75dc5cd613cd52a8cfc082c","source":{"kind":"arxiv","id":"1001.4020","version":1},"attestation_state":"computed","paper":{"title":"Electron spin relaxation in carbon nanotubes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J. M. Zavada, K. W. Kim, Y. G. Semenov","submitted_at":"2010-01-22T15:23:11Z","abstract_excerpt":"The long standing problem of inexplicably short spin relaxation in carbon nanotubes (CNTs) is examined. The curvature-mediated spin-orbital interaction is shown to induce fluctuating electron spin precession causing efficient relaxation in a manner analogous to the Dyakonov-Perel mechanism. Our calculation estimates longitudinal (spin-flip) and transversal (decoherence) relaxation times as short as 150 ps and 110 ps at room temperature, respectively, along with a pronounced anisotropic dependence. Interference of electrons originating from different valleys can lead to even faster dephasing. T"},"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":"1001.4020","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-22T15:23:11Z","cross_cats_sorted":[],"title_canon_sha256":"2ce4f66050bf3f1dadf1adc1299a8f9d45c0eaafccdab7486694a957b1bcbeba","abstract_canon_sha256":"871804b121d29de044a2f3a9cd32cdf0851de02fbb7dad2fe8747c51466f749b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:31.126970Z","signature_b64":"O85bSXBs/w6tx0oH5L5ZecykzQhXg6Y8bI8hQvvYTmUPDL0bnStCR87pvoFBatBSWXqruUxVZPntJKzUeOKEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3889b08dbde52da23b74831e0adc3692bac08106d75dc5cd613cd52a8cfc082c","last_reissued_at":"2026-05-18T02:09:31.126372Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:31.126372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electron spin relaxation in carbon nanotubes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J. M. Zavada, K. W. Kim, Y. G. Semenov","submitted_at":"2010-01-22T15:23:11Z","abstract_excerpt":"The long standing problem of inexplicably short spin relaxation in carbon nanotubes (CNTs) is examined. The curvature-mediated spin-orbital interaction is shown to induce fluctuating electron spin precession causing efficient relaxation in a manner analogous to the Dyakonov-Perel mechanism. Our calculation estimates longitudinal (spin-flip) and transversal (decoherence) relaxation times as short as 150 ps and 110 ps at room temperature, respectively, along with a pronounced anisotropic dependence. Interference of electrons originating from different valleys can lead to even faster dephasing. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.4020","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":"1001.4020","created_at":"2026-05-18T02:09:31.126464+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.4020v1","created_at":"2026-05-18T02:09:31.126464+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.4020","created_at":"2026-05-18T02:09:31.126464+00:00"},{"alias_kind":"pith_short_12","alias_value":"HCE3BDN54UW2","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_16","alias_value":"HCE3BDN54UW2EO3U","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_8","alias_value":"HCE3BDN5","created_at":"2026-05-18T12:26:07.630475+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/HCE3BDN54UW2EO3UQMPAVXBWSK","json":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK.json","graph_json":"https://pith.science/api/pith-number/HCE3BDN54UW2EO3UQMPAVXBWSK/graph.json","events_json":"https://pith.science/api/pith-number/HCE3BDN54UW2EO3UQMPAVXBWSK/events.json","paper":"https://pith.science/paper/HCE3BDN5"},"agent_actions":{"view_html":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK","download_json":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK.json","view_paper":"https://pith.science/paper/HCE3BDN5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.4020&json=true","fetch_graph":"https://pith.science/api/pith-number/HCE3BDN54UW2EO3UQMPAVXBWSK/graph.json","fetch_events":"https://pith.science/api/pith-number/HCE3BDN54UW2EO3UQMPAVXBWSK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK/action/storage_attestation","attest_author":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK/action/author_attestation","sign_citation":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK/action/citation_signature","submit_replication":"https://pith.science/pith/HCE3BDN54UW2EO3UQMPAVXBWSK/action/replication_record"}},"created_at":"2026-05-18T02:09:31.126464+00:00","updated_at":"2026-05-18T02:09:31.126464+00:00"}