{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:OAAPAJMQIXKK6K57TZAJGOKM4A","short_pith_number":"pith:OAAPAJMQ","schema_version":"1.0","canonical_sha256":"7000f0259045d4af2bbf9e4093394ce00ab528bd284b123ad491a7bb2c95257a","source":{"kind":"arxiv","id":"1511.07369","version":5},"attestation_state":"computed","paper":{"title":"Phonon-assisted relaxation and decoherence of singlet-triplet qubits in Si/SiGe quantum dots","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Christoph Kloeffel, Daniel Loss, Viktoriia Kornich","submitted_at":"2015-11-23T19:11:48Z","abstract_excerpt":"We study theoretically the phonon-induced relaxation and decoherence of spin states of two electrons in a lateral double quantum dot in a SiGe/Si/SiGe heterostructure. We consider two types of singlet-triplet spin qubits and calculate their relaxation and decoherence times, in particular as a function of level hybridization, temperature, magnetic field, spin orbit interaction, and detuning between the quantum dots, using Bloch-Redfield theory. We show that the magnetic field gradient, which is usually applied to operate the spin qubit, may reduce the relaxation time by more than an order of ma"},"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":"1511.07369","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-23T19:11:48Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"5912ced34c8c941258c6ff8135da629f7402c33c4018bd995c8991176a27d2b4","abstract_canon_sha256":"09c53b14f06d27da2190a2ad211cd26d1cc60b6a8882b2b8f99f7a5fd14fc6b9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:57.514854Z","signature_b64":"vsoQlUOOPNH8MS27ivJqQUgKNdgPYNh+2LAeNARXtKahm8u4Zw3X7RwmGtomTGz3pDeKXBJXZ8vlIYwygozMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7000f0259045d4af2bbf9e4093394ce00ab528bd284b123ad491a7bb2c95257a","last_reissued_at":"2026-05-18T00:14:57.514125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:57.514125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phonon-assisted relaxation and decoherence of singlet-triplet qubits in Si/SiGe quantum dots","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Christoph Kloeffel, Daniel Loss, Viktoriia Kornich","submitted_at":"2015-11-23T19:11:48Z","abstract_excerpt":"We study theoretically the phonon-induced relaxation and decoherence of spin states of two electrons in a lateral double quantum dot in a SiGe/Si/SiGe heterostructure. We consider two types of singlet-triplet spin qubits and calculate their relaxation and decoherence times, in particular as a function of level hybridization, temperature, magnetic field, spin orbit interaction, and detuning between the quantum dots, using Bloch-Redfield theory. We show that the magnetic field gradient, which is usually applied to operate the spin qubit, may reduce the relaxation time by more than an order of ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07369","kind":"arxiv","version":5},"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":"1511.07369","created_at":"2026-05-18T00:14:57.514252+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.07369v5","created_at":"2026-05-18T00:14:57.514252+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07369","created_at":"2026-05-18T00:14:57.514252+00:00"},{"alias_kind":"pith_short_12","alias_value":"OAAPAJMQIXKK","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_16","alias_value":"OAAPAJMQIXKK6K57","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_8","alias_value":"OAAPAJMQ","created_at":"2026-05-18T12:29:34.919912+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/OAAPAJMQIXKK6K57TZAJGOKM4A","json":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A.json","graph_json":"https://pith.science/api/pith-number/OAAPAJMQIXKK6K57TZAJGOKM4A/graph.json","events_json":"https://pith.science/api/pith-number/OAAPAJMQIXKK6K57TZAJGOKM4A/events.json","paper":"https://pith.science/paper/OAAPAJMQ"},"agent_actions":{"view_html":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A","download_json":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A.json","view_paper":"https://pith.science/paper/OAAPAJMQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.07369&json=true","fetch_graph":"https://pith.science/api/pith-number/OAAPAJMQIXKK6K57TZAJGOKM4A/graph.json","fetch_events":"https://pith.science/api/pith-number/OAAPAJMQIXKK6K57TZAJGOKM4A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A/action/storage_attestation","attest_author":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A/action/author_attestation","sign_citation":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A/action/citation_signature","submit_replication":"https://pith.science/pith/OAAPAJMQIXKK6K57TZAJGOKM4A/action/replication_record"}},"created_at":"2026-05-18T00:14:57.514252+00:00","updated_at":"2026-05-18T00:14:57.514252+00:00"}