{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:MLG7OV5PK377J7Q25PLPUSM63E","short_pith_number":"pith:MLG7OV5P","schema_version":"1.0","canonical_sha256":"62cdf757af56fff4fe1aebd6fa499ed9282dae1500ff26029b28f888c07ee0f4","source":{"kind":"arxiv","id":"1211.2012","version":1},"attestation_state":"computed","paper":{"title":"Universal Dynamical Steps in the Exact Time-Dependent Exchange-Correlation Potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.other"],"primary_cat":"physics.chem-ph","authors_text":"Angel Rubio, Johanna I. Fuks, Neepa T. Maitra, Peter Elliott","submitted_at":"2012-11-08T23:06:54Z","abstract_excerpt":"We show that the exact exchange-correlation potential of time-dependent density-functional theory displays dynamical step structures that have a spatially non-local and time non-local dependence on the density. Using one-dimensional two-electron model systems, we illustrate these steps for a range of non-equilibrium dynamical situations relevant for modeling of photo-chemical/physical processes: field-free evolution of a non-stationary state, resonant local excitation, resonant complete charge-transfer, and evolution under an arbitrary field. Lack of these steps in usual approximations yield i"},"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":"1211.2012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-11-08T23:06:54Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"title_canon_sha256":"fcadb2243f47dc140c7b22b2c1bcc8d385418d212f92a966f9894c1bd40ce3b6","abstract_canon_sha256":"66844e014424fe7ed83d718242f106dd9aa922e5cb70c497076a719d19c63659"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:17.720296Z","signature_b64":"06Ymmkh2Yc0D/KE0HfUi44n+qsydh5WgI/IzHNR43wM5uBeJ7a1ZRDWgLM/KKZ+eP29YPr/ZmEa8h+edYJ9NDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62cdf757af56fff4fe1aebd6fa499ed9282dae1500ff26029b28f888c07ee0f4","last_reissued_at":"2026-05-18T01:53:17.719617Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:17.719617Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Universal Dynamical Steps in the Exact Time-Dependent Exchange-Correlation Potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.other"],"primary_cat":"physics.chem-ph","authors_text":"Angel Rubio, Johanna I. Fuks, Neepa T. Maitra, Peter Elliott","submitted_at":"2012-11-08T23:06:54Z","abstract_excerpt":"We show that the exact exchange-correlation potential of time-dependent density-functional theory displays dynamical step structures that have a spatially non-local and time non-local dependence on the density. Using one-dimensional two-electron model systems, we illustrate these steps for a range of non-equilibrium dynamical situations relevant for modeling of photo-chemical/physical processes: field-free evolution of a non-stationary state, resonant local excitation, resonant complete charge-transfer, and evolution under an arbitrary field. Lack of these steps in usual approximations yield i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2012","kind":"arxiv","version":1},"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":"1211.2012","created_at":"2026-05-18T01:53:17.719732+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.2012v1","created_at":"2026-05-18T01:53:17.719732+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2012","created_at":"2026-05-18T01:53:17.719732+00:00"},{"alias_kind":"pith_short_12","alias_value":"MLG7OV5PK377","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_16","alias_value":"MLG7OV5PK377J7Q2","created_at":"2026-05-18T12:27:14.488303+00:00"},{"alias_kind":"pith_short_8","alias_value":"MLG7OV5P","created_at":"2026-05-18T12:27:14.488303+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/MLG7OV5PK377J7Q25PLPUSM63E","json":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E.json","graph_json":"https://pith.science/api/pith-number/MLG7OV5PK377J7Q25PLPUSM63E/graph.json","events_json":"https://pith.science/api/pith-number/MLG7OV5PK377J7Q25PLPUSM63E/events.json","paper":"https://pith.science/paper/MLG7OV5P"},"agent_actions":{"view_html":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E","download_json":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E.json","view_paper":"https://pith.science/paper/MLG7OV5P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.2012&json=true","fetch_graph":"https://pith.science/api/pith-number/MLG7OV5PK377J7Q25PLPUSM63E/graph.json","fetch_events":"https://pith.science/api/pith-number/MLG7OV5PK377J7Q25PLPUSM63E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E/action/storage_attestation","attest_author":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E/action/author_attestation","sign_citation":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E/action/citation_signature","submit_replication":"https://pith.science/pith/MLG7OV5PK377J7Q25PLPUSM63E/action/replication_record"}},"created_at":"2026-05-18T01:53:17.719732+00:00","updated_at":"2026-05-18T01:53:17.719732+00:00"}