{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:XTZBSQTAT43BXZ3JMJVYXUYLC6","short_pith_number":"pith:XTZBSQTA","schema_version":"1.0","canonical_sha256":"bcf21942609f361be769626b8bd30b17933911c8413a70bb074122c2201bf870","source":{"kind":"arxiv","id":"1209.1674","version":2},"attestation_state":"computed","paper":{"title":"Excitation of superconducting qubits from hot non-equilibrium quasiparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Megrant, A. N. Cleland, A. Vainsencher, B. Chiaro, C. Neill, D. Sank, Erik Lucero, H. Wang, J. Kelly, John M. Martinis, J. Wenner, Matteo Mariantoni, M. Lenander, P. J. J. O'Malley, R. Barends, T. C. White, Yi Yin, Yu Chen","submitted_at":"2012-09-08T00:31:15Z","abstract_excerpt":"Superconducting qubits probe environmental defects such as non-equilibrium quasiparticles, an important source of decoherence. We show that \"hot\" non-equilibrium quasiparticles, with energies above the superconducting gap, affect qubits differently from quasiparticles at the gap, implying qubits can probe the dynamic quasiparticle energy distribution. For hot quasiparticles, we predict a non-neligable increase in the qubit excited state probability P_e. By injecting hot quasiparticles into a qubit, we experimentally measure an increase of P_e in semi-quantitative agreement with the model and r"},"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":"1209.1674","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-09-08T00:31:15Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"3771c226e082a09860b247069d53b7f5c7f0a9c8d1222de8abb6b082f05a1ae9","abstract_canon_sha256":"7c4ba580636d0bc6a8bf5ba875da3c8c907c8f0c250b3e6e3f66e410ca3e0d01"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:05.758188Z","signature_b64":"s4iAbZnPDzYLtSsjS7Es8a5OKs8HweNdMlVsrxZlg6VXXRfjd+5ZFZhXcwG/0JM5cyG/8BCc30QHJZ22ZHh8Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcf21942609f361be769626b8bd30b17933911c8413a70bb074122c2201bf870","last_reissued_at":"2026-05-18T03:28:05.757482Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:05.757482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Excitation of superconducting qubits from hot non-equilibrium quasiparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Megrant, A. N. Cleland, A. Vainsencher, B. Chiaro, C. Neill, D. Sank, Erik Lucero, H. Wang, J. Kelly, John M. Martinis, J. Wenner, Matteo Mariantoni, M. Lenander, P. J. J. O'Malley, R. Barends, T. C. White, Yi Yin, Yu Chen","submitted_at":"2012-09-08T00:31:15Z","abstract_excerpt":"Superconducting qubits probe environmental defects such as non-equilibrium quasiparticles, an important source of decoherence. We show that \"hot\" non-equilibrium quasiparticles, with energies above the superconducting gap, affect qubits differently from quasiparticles at the gap, implying qubits can probe the dynamic quasiparticle energy distribution. For hot quasiparticles, we predict a non-neligable increase in the qubit excited state probability P_e. By injecting hot quasiparticles into a qubit, we experimentally measure an increase of P_e in semi-quantitative agreement with the model and r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1674","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":"1209.1674","created_at":"2026-05-18T03:28:05.757636+00:00"},{"alias_kind":"arxiv_version","alias_value":"1209.1674v2","created_at":"2026-05-18T03:28:05.757636+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1674","created_at":"2026-05-18T03:28:05.757636+00:00"},{"alias_kind":"pith_short_12","alias_value":"XTZBSQTAT43B","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_16","alias_value":"XTZBSQTAT43BXZ3J","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_8","alias_value":"XTZBSQTA","created_at":"2026-05-18T12:27:27.928770+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/XTZBSQTAT43BXZ3JMJVYXUYLC6","json":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6.json","graph_json":"https://pith.science/api/pith-number/XTZBSQTAT43BXZ3JMJVYXUYLC6/graph.json","events_json":"https://pith.science/api/pith-number/XTZBSQTAT43BXZ3JMJVYXUYLC6/events.json","paper":"https://pith.science/paper/XTZBSQTA"},"agent_actions":{"view_html":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6","download_json":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6.json","view_paper":"https://pith.science/paper/XTZBSQTA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1209.1674&json=true","fetch_graph":"https://pith.science/api/pith-number/XTZBSQTAT43BXZ3JMJVYXUYLC6/graph.json","fetch_events":"https://pith.science/api/pith-number/XTZBSQTAT43BXZ3JMJVYXUYLC6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6/action/storage_attestation","attest_author":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6/action/author_attestation","sign_citation":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6/action/citation_signature","submit_replication":"https://pith.science/pith/XTZBSQTAT43BXZ3JMJVYXUYLC6/action/replication_record"}},"created_at":"2026-05-18T03:28:05.757636+00:00","updated_at":"2026-05-18T03:28:05.757636+00:00"}