{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:7TQ4WQ4U37VNOD7TYHUW4S6FJC","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":"f0aa3ce7073281e7c7fcd43444d9224b6dc84291e64eb0d5a221601facb97db3","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-06T15:39:00Z","title_canon_sha256":"e4240deda54813a5b793109787c47cab4fd12565c87c2feceb76089770bedfdc"},"schema_version":"1.0","source":{"id":"2602.06781","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.06781","created_at":"2026-05-18T02:44:31Z"},{"alias_kind":"arxiv_version","alias_value":"2602.06781v2","created_at":"2026-05-18T02:44:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.06781","created_at":"2026-05-18T02:44:31Z"},{"alias_kind":"pith_short_12","alias_value":"7TQ4WQ4U37VN","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"7TQ4WQ4U37VNOD7T","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"7TQ4WQ4U","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:8ea770d660811b03e3c3b88adac70f234c0959779bc708a427b13b5567a8b369","target":"graph","created_at":"2026-05-18T02:44:31Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"Coulomb interactions modify Andreev-mediated transport by renormalizing resonant conditions and suppressing superconducting coherence, leading to a pronounced reduction of current precision even when average currents are only weakly affected."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The large superconducting-gap limit together with the validity of the real-time diagrammatic master equation for the interacting case."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Coulomb interactions renormalize Andreev resonances and suppress coherence in NS quantum dots, producing a pronounced drop in current precision and eliminating quantum TUR violations while the hybrid bound holds."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Coulomb interactions reduce the precision of Andreev-mediated currents in normal-superconducting quantum dots by renormalizing resonances and suppressing coherence."}],"snapshot_sha256":"29d764827074a8ddda2ba2b2d87a111591dbbe89efa3f52e511f4ab0df97427d"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"925ecf9181ffeebbf7ff951e5158e40a8135cbf0b5c984183ceee806c0afe1bc"},"paper":{"abstract_excerpt":"We study Andreev-mediated transport and current fluctuations in interacting normal-superconducting quantum-dot systems. Using a generalized master equation based on real-time diagrammatics and full counting statistics, we compute the steady-state current, zero-frequency noise, and rate of entropy production in the large superconducting-gap limit. We show how Coulomb interactions modify Andreev-mediated transport by renormalizing resonant conditions and suppressing superconducting coherence, leading to a pronounced reduction of current precision even when average currents are only weakly affect","authors_text":"Fabio Taddei, Michele Governale, Nahual Sobrino, Rosario Fazio","cross_cats":["cond-mat.supr-con"],"headline":"Coulomb interactions reduce the precision of Andreev-mediated currents in normal-superconducting quantum dots by renormalizing resonances and suppressing coherence.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-06T15:39:00Z","title":"Current precision in interacting hybrid Normal-Superconducting systems"},"references":{"count":64,"internal_anchors":0,"resolved_work":64,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"The rate matrix can be systematically decomposed into five distinct classes of contributions","work_id":"c72b3696-518b-4470-ab7d-a58d32dff7c4","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"We now consider the limitU α → ∞, corresponding to strong local Coulomb blockade in each quantum dot","work_id":"6cd371ca-b716-46aa-8b18-2510f2ec7e37","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"Single Quantum Dot We start deriving the Green’s function of the sin- gle quantum dot, with the Hamiltonian given in Eq. (7). Using the anticommutator relations{d σ, d† σ′}= δσσ ′,{d σ, dσ′}={d † σ, d","work_id":"5e0af1ce-83b2-495c-8e19-50cbb954eb70","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"Using the canonical anticommuta- tion relations{d ασ, d† βσ ′}=δ αβδσσ ′ and{d ασ, dβσ ′}= 0, together with the Hamiltonian in Eq","work_id":"2f9b7b43-acfe-4b69-a5bb-72644858a4cd","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"This comparison is restricted to parameter ranges where the HF approximation is considered to be accurate, namelyU≲Γ N and|µ N | ≪k BT","work_id":"40776638-4072-4f3e-878d-1d8660f8d663","year":null}],"snapshot_sha256":"3e9d08a624106d6ca858285208d6bddcf941c2fad7a139c2449b55a2c8dedefb"},"source":{"id":"2602.06781","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-16T06:22:02.760203Z","id":"21b2c319-daa1-4c74-9221-8522195be6ec","model_set":{"reader":"grok-4.3"},"one_line_summary":"Coulomb interactions renormalize Andreev resonances and suppress coherence in NS quantum dots, producing a pronounced drop in current precision and eliminating quantum TUR violations while the hybrid bound holds.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Coulomb interactions reduce the precision of Andreev-mediated currents in normal-superconducting quantum dots by renormalizing resonances and suppressing coherence.","strongest_claim":"Coulomb interactions modify Andreev-mediated transport by renormalizing resonant conditions and suppressing superconducting coherence, leading to a pronounced reduction of current precision even when average currents are only weakly affected.","weakest_assumption":"The large superconducting-gap limit together with the validity of the real-time diagrammatic master equation for the interacting case."}},"verdict_id":"21b2c319-daa1-4c74-9221-8522195be6ec"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:073f86819995bfc2c8382ab0919c96fa942cf2a6a1daad589477fa1adb256d56","target":"record","created_at":"2026-05-18T02:44:31Z","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":"f0aa3ce7073281e7c7fcd43444d9224b6dc84291e64eb0d5a221601facb97db3","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-06T15:39:00Z","title_canon_sha256":"e4240deda54813a5b793109787c47cab4fd12565c87c2feceb76089770bedfdc"},"schema_version":"1.0","source":{"id":"2602.06781","kind":"arxiv","version":2}},"canonical_sha256":"fce1cb4394dfead70ff3c1e96e4bc548ba803cab01c1d1525affdce923c781fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fce1cb4394dfead70ff3c1e96e4bc548ba803cab01c1d1525affdce923c781fb","first_computed_at":"2026-05-18T02:44:31.348442Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:31.348442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HNv/zIVHfhYi0Sc/xFy5T7O1206stICxQpnx0kEIFPLZpA5VDznWK0WIr4euUFJCs0FrV7pKC7JEiE1SvWyGBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:31.349019Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.06781","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:073f86819995bfc2c8382ab0919c96fa942cf2a6a1daad589477fa1adb256d56","sha256:8ea770d660811b03e3c3b88adac70f234c0959779bc708a427b13b5567a8b369"],"state_sha256":"3ee8611776a7d6ae50c78576aa7a8fa271a9e8f317ab825cb3a2e60558617d9f"}