{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:OGOIJB2H4FMKXC33EHK5XDGM4J","short_pith_number":"pith:OGOIJB2H","schema_version":"1.0","canonical_sha256":"719c848747e158ab8b7b21d5db8ccce25a62cfa40d518942b186fe56376f8458","source":{"kind":"arxiv","id":"1302.5317","version":2},"attestation_state":"computed","paper":{"title":"Dynamical symmetry between spin and charge excitations studied by a plaquette mean-field approach in two dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.str-el","authors_text":"Michael Potthoff, Philipp Jurgenowski","submitted_at":"2013-02-21T16:04:00Z","abstract_excerpt":"The real-time dynamics of local occupation numbers in a Hubbard model on a 6x6 square lattice is studied by means of the non-equilibrium generalization of the cluster-perturbation theory. The cluster approach is adapted to studies of two-dimensional lattice systems by using concepts of multiple-scattering theory and a component decomposition of the non-equilibrium Green's function on the Keldysh-Matsubara contour. We consider \"classical\" initial states formed as tensor products of states on 2x2-plaquettes and trace the effects of the inter-plaquette hopping in the final-state dynamics. Two dif"},"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":"1302.5317","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-02-21T16:04:00Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"88819963394a87f30af5e891a1956d0b04a01e9b57e4d063bb3ce3eb942afbe8","abstract_canon_sha256":"d4683f0afa204719b86dbc974cfd52891ae659b80e691b5c0e33197d7ebc2f57"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:45.832188Z","signature_b64":"DSW036c0JY6OL/DYukpsNyG0JwWHiMw9f32nVsBrZTkwdSd5Ya//E1XW9X1YzsAgplgnK6pwyIehiexImVrYBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"719c848747e158ab8b7b21d5db8ccce25a62cfa40d518942b186fe56376f8458","last_reissued_at":"2026-05-18T03:25:45.831379Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:45.831379Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical symmetry between spin and charge excitations studied by a plaquette mean-field approach in two dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.str-el","authors_text":"Michael Potthoff, Philipp Jurgenowski","submitted_at":"2013-02-21T16:04:00Z","abstract_excerpt":"The real-time dynamics of local occupation numbers in a Hubbard model on a 6x6 square lattice is studied by means of the non-equilibrium generalization of the cluster-perturbation theory. The cluster approach is adapted to studies of two-dimensional lattice systems by using concepts of multiple-scattering theory and a component decomposition of the non-equilibrium Green's function on the Keldysh-Matsubara contour. We consider \"classical\" initial states formed as tensor products of states on 2x2-plaquettes and trace the effects of the inter-plaquette hopping in the final-state dynamics. Two dif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5317","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":"1302.5317","created_at":"2026-05-18T03:25:45.831507+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.5317v2","created_at":"2026-05-18T03:25:45.831507+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5317","created_at":"2026-05-18T03:25:45.831507+00:00"},{"alias_kind":"pith_short_12","alias_value":"OGOIJB2H4FMK","created_at":"2026-05-18T12:27:54.935989+00:00"},{"alias_kind":"pith_short_16","alias_value":"OGOIJB2H4FMKXC33","created_at":"2026-05-18T12:27:54.935989+00:00"},{"alias_kind":"pith_short_8","alias_value":"OGOIJB2H","created_at":"2026-05-18T12:27:54.935989+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/OGOIJB2H4FMKXC33EHK5XDGM4J","json":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J.json","graph_json":"https://pith.science/api/pith-number/OGOIJB2H4FMKXC33EHK5XDGM4J/graph.json","events_json":"https://pith.science/api/pith-number/OGOIJB2H4FMKXC33EHK5XDGM4J/events.json","paper":"https://pith.science/paper/OGOIJB2H"},"agent_actions":{"view_html":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J","download_json":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J.json","view_paper":"https://pith.science/paper/OGOIJB2H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.5317&json=true","fetch_graph":"https://pith.science/api/pith-number/OGOIJB2H4FMKXC33EHK5XDGM4J/graph.json","fetch_events":"https://pith.science/api/pith-number/OGOIJB2H4FMKXC33EHK5XDGM4J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J/action/storage_attestation","attest_author":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J/action/author_attestation","sign_citation":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J/action/citation_signature","submit_replication":"https://pith.science/pith/OGOIJB2H4FMKXC33EHK5XDGM4J/action/replication_record"}},"created_at":"2026-05-18T03:25:45.831507+00:00","updated_at":"2026-05-18T03:25:45.831507+00:00"}