{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:NUTZ2EYMVIJRASPAQOWJRA63CP","short_pith_number":"pith:NUTZ2EYM","schema_version":"1.0","canonical_sha256":"6d279d130caa131049e083ac9883db13fc3e9ad299028fac2a8224e3a2521669","source":{"kind":"arxiv","id":"1105.0333","version":2},"attestation_state":"computed","paper":{"title":"Decoherence times of universal two-qubit gates in the presence of broad-band noise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A. D'Arrigo, A. Mastellone, E. Paladino, G. Falci","submitted_at":"2011-05-02T13:55:30Z","abstract_excerpt":"The controlled generation of entangled states of two quantum bits is a fundamental step toward the implementation of a quantum information processor. In nano-devices this operation is counteracted by the solid-state environment, characterized by a broadband and non-monotonic power spectrum, often 1/f at low frequencies. For single-qubit gates, incoherent processes due to fluctuations acting on different time scales result in peculiar short- and long-time behavior. Markovian noise gives rise to exponential decay with relaxation and decoherence times, T1 and T2, simply related to the symmetry of"},"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":"1105.0333","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-05-02T13:55:30Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2cb11601ba24cb21c24368e797cba24423b87967eaf499413ffe9384f5d73d52","abstract_canon_sha256":"0dba790d1fc797319d7984b371ec6e52584e2d52d108a1a8a041e0466ea88b00"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:41.683949Z","signature_b64":"neYqanPA7inUeuwXHG3+LU6ymunkK853ZExgV7pmk0+2DXyM+Ndq5CKanpl6qQW1A0E26BM59dLpgXDEJvb1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d279d130caa131049e083ac9883db13fc3e9ad299028fac2a8224e3a2521669","last_reissued_at":"2026-05-18T04:11:41.683522Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:41.683522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Decoherence times of universal two-qubit gates in the presence of broad-band noise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A. D'Arrigo, A. Mastellone, E. Paladino, G. Falci","submitted_at":"2011-05-02T13:55:30Z","abstract_excerpt":"The controlled generation of entangled states of two quantum bits is a fundamental step toward the implementation of a quantum information processor. In nano-devices this operation is counteracted by the solid-state environment, characterized by a broadband and non-monotonic power spectrum, often 1/f at low frequencies. For single-qubit gates, incoherent processes due to fluctuations acting on different time scales result in peculiar short- and long-time behavior. Markovian noise gives rise to exponential decay with relaxation and decoherence times, T1 and T2, simply related to the symmetry of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0333","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":"1105.0333","created_at":"2026-05-18T04:11:41.683589+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.0333v2","created_at":"2026-05-18T04:11:41.683589+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0333","created_at":"2026-05-18T04:11:41.683589+00:00"},{"alias_kind":"pith_short_12","alias_value":"NUTZ2EYMVIJR","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"NUTZ2EYMVIJRASPA","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"NUTZ2EYM","created_at":"2026-05-18T12:26:37.096874+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/NUTZ2EYMVIJRASPAQOWJRA63CP","json":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP.json","graph_json":"https://pith.science/api/pith-number/NUTZ2EYMVIJRASPAQOWJRA63CP/graph.json","events_json":"https://pith.science/api/pith-number/NUTZ2EYMVIJRASPAQOWJRA63CP/events.json","paper":"https://pith.science/paper/NUTZ2EYM"},"agent_actions":{"view_html":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP","download_json":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP.json","view_paper":"https://pith.science/paper/NUTZ2EYM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.0333&json=true","fetch_graph":"https://pith.science/api/pith-number/NUTZ2EYMVIJRASPAQOWJRA63CP/graph.json","fetch_events":"https://pith.science/api/pith-number/NUTZ2EYMVIJRASPAQOWJRA63CP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP/action/storage_attestation","attest_author":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP/action/author_attestation","sign_citation":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP/action/citation_signature","submit_replication":"https://pith.science/pith/NUTZ2EYMVIJRASPAQOWJRA63CP/action/replication_record"}},"created_at":"2026-05-18T04:11:41.683589+00:00","updated_at":"2026-05-18T04:11:41.683589+00:00"}