{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:MKWCJSNX4VBNAEPQ4TMEOQIFJO","short_pith_number":"pith:MKWCJSNX","schema_version":"1.0","canonical_sha256":"62ac24c9b7e542d011f0e4d84741054b98d11f1b6e7d3aa9f2bc8e4e500c3b8c","source":{"kind":"arxiv","id":"1308.0352","version":3},"attestation_state":"computed","paper":{"title":"Spin Relaxation due to Charge Noise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Peihao Huang, Xuedong Hu","submitted_at":"2013-08-01T20:48:51Z","abstract_excerpt":"We study decoherence of an electron spin qubit in a quantum dot due to charge noise. We find that at the lowest order, the pure dephasing channel is suppressed for both $1/f$ charge noise and Johnson noise, so that charge noise leads to a pure relaxation channel of decoherence. Because of the weaker magnetic field dependence, the spin relaxation rate due to charge noise could dominate over phonon noise at low magnetic fields in a gate-defined GaAs or Si quantum dot or a InAs self-assembled quantum dot. Furthermore, in a large InAs self-assembled quantum dot, the spin relaxation rate due to pho"},"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":"1308.0352","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-01T20:48:51Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"42e8a74c34ee9b13d4da388cbed1d43c1c6bd341a78e2296f45abd9fe91c89cf","abstract_canon_sha256":"d097d08a21868ad41dd82a9ba23965166d940c4e513564e10304d840f791f092"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:23.282580Z","signature_b64":"/E8JU8g+f+MbmsvCxqxyoQ5a49ClCt4amRuyuHEzqgCrZ6UyLZVBg04mEsSVImMHyphWCMtcjbHc0UzuN0RmAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62ac24c9b7e542d011f0e4d84741054b98d11f1b6e7d3aa9f2bc8e4e500c3b8c","last_reissued_at":"2026-05-18T02:51:23.281878Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:23.281878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin Relaxation due to Charge Noise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Peihao Huang, Xuedong Hu","submitted_at":"2013-08-01T20:48:51Z","abstract_excerpt":"We study decoherence of an electron spin qubit in a quantum dot due to charge noise. We find that at the lowest order, the pure dephasing channel is suppressed for both $1/f$ charge noise and Johnson noise, so that charge noise leads to a pure relaxation channel of decoherence. Because of the weaker magnetic field dependence, the spin relaxation rate due to charge noise could dominate over phonon noise at low magnetic fields in a gate-defined GaAs or Si quantum dot or a InAs self-assembled quantum dot. Furthermore, in a large InAs self-assembled quantum dot, the spin relaxation rate due to pho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0352","kind":"arxiv","version":3},"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":"1308.0352","created_at":"2026-05-18T02:51:23.281979+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.0352v3","created_at":"2026-05-18T02:51:23.281979+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0352","created_at":"2026-05-18T02:51:23.281979+00:00"},{"alias_kind":"pith_short_12","alias_value":"MKWCJSNX4VBN","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"MKWCJSNX4VBNAEPQ","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"MKWCJSNX","created_at":"2026-05-18T12:27:52.871228+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/MKWCJSNX4VBNAEPQ4TMEOQIFJO","json":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO.json","graph_json":"https://pith.science/api/pith-number/MKWCJSNX4VBNAEPQ4TMEOQIFJO/graph.json","events_json":"https://pith.science/api/pith-number/MKWCJSNX4VBNAEPQ4TMEOQIFJO/events.json","paper":"https://pith.science/paper/MKWCJSNX"},"agent_actions":{"view_html":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO","download_json":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO.json","view_paper":"https://pith.science/paper/MKWCJSNX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.0352&json=true","fetch_graph":"https://pith.science/api/pith-number/MKWCJSNX4VBNAEPQ4TMEOQIFJO/graph.json","fetch_events":"https://pith.science/api/pith-number/MKWCJSNX4VBNAEPQ4TMEOQIFJO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO/action/storage_attestation","attest_author":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO/action/author_attestation","sign_citation":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO/action/citation_signature","submit_replication":"https://pith.science/pith/MKWCJSNX4VBNAEPQ4TMEOQIFJO/action/replication_record"}},"created_at":"2026-05-18T02:51:23.281979+00:00","updated_at":"2026-05-18T02:51:23.281979+00:00"}