{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:32MQWMFAUZQAOZVWNF52WLZDTY","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":"1a6b7f4b8657d9e17709001dee469563d22de8eb11287e1bf428eccb398fda83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-21T16:39:30Z","title_canon_sha256":"9eeb55c3b763075714f1dca879c52fb2af74eeafdea786a2abcfbc3b6fb083f7"},"schema_version":"1.0","source":{"id":"1708.06315","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.06315","created_at":"2026-05-17T23:57:03Z"},{"alias_kind":"arxiv_version","alias_value":"1708.06315v2","created_at":"2026-05-17T23:57:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.06315","created_at":"2026-05-17T23:57:03Z"},{"alias_kind":"pith_short_12","alias_value":"32MQWMFAUZQA","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"32MQWMFAUZQAOZVW","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"32MQWMFA","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:c244f10d45ddbf5d028b235733df736755f0604b794da5a3d911081371389622","target":"graph","created_at":"2026-05-17T23:57:03Z","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":"The numerical renormalization group (NRG) is tailored to describe interacting impurity models in equilibrium, but faces limitations for steady-state nonequilibrium, arising, e.g., due to an applied bias voltage. We show that these limitations can be overcome by describing the thermal leads using a thermofield approach, integrating out high energy modes using NRG, and then treating the nonequilibrium dynamics at low energies using a quench protocol, implemented using the time-dependent density matrix renormalization group (tDMRG). This yields quantitatively reliable results for the current (wit","authors_text":"Andreas Weichselbaum, Frauke Schwarz, Ireneusz Weymann, Jan von Delft","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-21T16:39:30Z","title":"Nonequilibrium Steady-State Transport in Quantum Impurity Models: a Thermofield and Quantum Quench Approach using Matrix Product States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.06315","kind":"arxiv","version":2},"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":"sha256:58ebef77c4eea8214fff60a7f238d4b63f4cab533a139a22d381f12be9131320","target":"record","created_at":"2026-05-17T23:57:03Z","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":"1a6b7f4b8657d9e17709001dee469563d22de8eb11287e1bf428eccb398fda83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-08-21T16:39:30Z","title_canon_sha256":"9eeb55c3b763075714f1dca879c52fb2af74eeafdea786a2abcfbc3b6fb083f7"},"schema_version":"1.0","source":{"id":"1708.06315","kind":"arxiv","version":2}},"canonical_sha256":"de990b30a0a6600766b6697bab2f239e3f58f5e624e4061ff830a163b1c089f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de990b30a0a6600766b6697bab2f239e3f58f5e624e4061ff830a163b1c089f0","first_computed_at":"2026-05-17T23:57:03.285864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:03.285864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cl4GWker2gvFko/Uu3CojV3bZMSkYY9MUqvrpj7c1zkC6lTe+jIN8XynO0JTtkW8CYf3Nlkc0sNy+U3p1cusBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:03.286383Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.06315","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58ebef77c4eea8214fff60a7f238d4b63f4cab533a139a22d381f12be9131320","sha256:c244f10d45ddbf5d028b235733df736755f0604b794da5a3d911081371389622"],"state_sha256":"f4e5855658080e5ef2c1c2ac5d55adc4d80143ed40c44e861ef5126821300c92"}