{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MXEEHRCLNPCLTCQJT2NKUHYIOE","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"36709ba88d954cca205cf7e4539deb2a25ae95305a4c19c1bf997b92bf7bb92e","cross_cats_sorted":["cond-mat.supr-con","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-30T20:03:22Z","title_canon_sha256":"a2729e87367b13c92ef6a612703806408235efa0eab7c46b5f905d1987f74606"},"schema_version":"1.0","source":{"id":"1207.7084","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.7084","created_at":"2026-05-18T03:40:15Z"},{"alias_kind":"arxiv_version","alias_value":"1207.7084v1","created_at":"2026-05-18T03:40:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.7084","created_at":"2026-05-18T03:40:15Z"},{"alias_kind":"pith_short_12","alias_value":"MXEEHRCLNPCL","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MXEEHRCLNPCLTCQJ","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MXEEHRCL","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:25637e351114f2b11ca914eefc4d7fc30ee8e24ca00f53d0fde69ad510cd6a5b","target":"graph","created_at":"2026-05-18T03:40:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In superconducting qubits, the interaction of the qubit degree of freedom with quasiparticles defines a fundamental limitation for the qubit coherence. We develop a theory of the pure dephasing rate \\Gamma_{\\phi} caused by quasiparticles tunneling through a Josephson junction and of the inhomogeneous broadening due to changes in the occupations of Andreev states in the junction. To estimate \\Gamma_{\\phi}, we derive a master equation for the qubit dynamics. The tunneling rate of free quasiparticles is enhanced by their large density of states at energies close to the superconducting gap. Nevert","authors_text":"G. Catelani, L. I. Glazman, R. J. Schoelkopf, Simon E. Nigg, S. M. Girvin","cross_cats":["cond-mat.supr-con","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-30T20:03:22Z","title":"Decoherence of superconducting qubits caused by quasiparticle tunneling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.7084","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ad237cb822803507c26e3c9c642af2c3e5ec92286fd3b12b5637fb3302d30fe3","target":"record","created_at":"2026-05-18T03:40:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"36709ba88d954cca205cf7e4539deb2a25ae95305a4c19c1bf997b92bf7bb92e","cross_cats_sorted":["cond-mat.supr-con","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-30T20:03:22Z","title_canon_sha256":"a2729e87367b13c92ef6a612703806408235efa0eab7c46b5f905d1987f74606"},"schema_version":"1.0","source":{"id":"1207.7084","kind":"arxiv","version":1}},"canonical_sha256":"65c843c44b6bc4b98a099e9aaa1f08711efb9085474fe8f9da5356122d26243d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65c843c44b6bc4b98a099e9aaa1f08711efb9085474fe8f9da5356122d26243d","first_computed_at":"2026-05-18T03:40:15.984875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:40:15.984875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eDzRXJNdFUUpJxNneWZ6Fn4Kg6r9pPJy0ZE0q4dNmos0o0mqbPo6xXaAB2h68+B7Lie4sDQPZNRFtnl7daHtCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:40:15.985411Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.7084","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad237cb822803507c26e3c9c642af2c3e5ec92286fd3b12b5637fb3302d30fe3","sha256:25637e351114f2b11ca914eefc4d7fc30ee8e24ca00f53d0fde69ad510cd6a5b"],"state_sha256":"6ba4d507955a7f3accba16ebd607f6370f3b76294d39730c9f82f796d2167321"}