{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:XO4ZQ46WJTJIZ4AX5JXSMR3E73","short_pith_number":"pith:XO4ZQ46W","schema_version":"1.0","canonical_sha256":"bbb99873d64cd28cf017ea6f264764fec5d19f390a0a9b0a832208b14ba5085f","source":{"kind":"arxiv","id":"1110.2468","version":3},"attestation_state":"computed","paper":{"title":"Ab-initio approach to effective single-particle energies in doubly closed shell nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","nucl-ex","quant-ph"],"primary_cat":"nucl-th","authors_text":"G. Hagen, T. Duguet","submitted_at":"2011-10-11T19:07:51Z","abstract_excerpt":"The present work discusses, from an ab-initio standpoint, the definition, the meaning, and the usefulness of effective single-particle energies (ESPEs) in doubly closed shell nuclei. We perform coupled-cluster calculations to quantify to what extent selected closed-shell nuclei in the oxygen and calcium isotopic chains can effectively be mapped onto an effective independent-particle picture. To do so, we revisit in detail the notion of ESPEs in the context of strongly correlated many-nucleon systems and illustrate the necessity to extract ESPEs through the diagonalization of the centroid {\\it "},"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":"1110.2468","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-10-11T19:07:51Z","cross_cats_sorted":["cond-mat.quant-gas","nucl-ex","quant-ph"],"title_canon_sha256":"b03386359b5ed95f095bcebebcf514c291a251223b1b8c0da121c0bb6618dac8","abstract_canon_sha256":"4a194ba230b6aa49707444b49e0bc1566610b38ca8e420fac5955d07c1651a0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:13.568653Z","signature_b64":"ceUEsEmyIpkCvzkssj8safsyyb93UCEmcy+KijkADqmxU0b3M7ekm3NvbzvzNjXKbhNjyYzx3jxEHXJi58tIAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbb99873d64cd28cf017ea6f264764fec5d19f390a0a9b0a832208b14ba5085f","last_reissued_at":"2026-05-18T02:00:13.568167Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:13.568167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ab-initio approach to effective single-particle energies in doubly closed shell nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","nucl-ex","quant-ph"],"primary_cat":"nucl-th","authors_text":"G. Hagen, T. Duguet","submitted_at":"2011-10-11T19:07:51Z","abstract_excerpt":"The present work discusses, from an ab-initio standpoint, the definition, the meaning, and the usefulness of effective single-particle energies (ESPEs) in doubly closed shell nuclei. We perform coupled-cluster calculations to quantify to what extent selected closed-shell nuclei in the oxygen and calcium isotopic chains can effectively be mapped onto an effective independent-particle picture. To do so, we revisit in detail the notion of ESPEs in the context of strongly correlated many-nucleon systems and illustrate the necessity to extract ESPEs through the diagonalization of the centroid {\\it "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2468","kind":"arxiv","version":3},"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":"1110.2468","created_at":"2026-05-18T02:00:13.568233+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.2468v3","created_at":"2026-05-18T02:00:13.568233+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2468","created_at":"2026-05-18T02:00:13.568233+00:00"},{"alias_kind":"pith_short_12","alias_value":"XO4ZQ46WJTJI","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_16","alias_value":"XO4ZQ46WJTJIZ4AX","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_8","alias_value":"XO4ZQ46W","created_at":"2026-05-18T12:26:47.523578+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/XO4ZQ46WJTJIZ4AX5JXSMR3E73","json":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73.json","graph_json":"https://pith.science/api/pith-number/XO4ZQ46WJTJIZ4AX5JXSMR3E73/graph.json","events_json":"https://pith.science/api/pith-number/XO4ZQ46WJTJIZ4AX5JXSMR3E73/events.json","paper":"https://pith.science/paper/XO4ZQ46W"},"agent_actions":{"view_html":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73","download_json":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73.json","view_paper":"https://pith.science/paper/XO4ZQ46W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.2468&json=true","fetch_graph":"https://pith.science/api/pith-number/XO4ZQ46WJTJIZ4AX5JXSMR3E73/graph.json","fetch_events":"https://pith.science/api/pith-number/XO4ZQ46WJTJIZ4AX5JXSMR3E73/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73/action/storage_attestation","attest_author":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73/action/author_attestation","sign_citation":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73/action/citation_signature","submit_replication":"https://pith.science/pith/XO4ZQ46WJTJIZ4AX5JXSMR3E73/action/replication_record"}},"created_at":"2026-05-18T02:00:13.568233+00:00","updated_at":"2026-05-18T02:00:13.568233+00:00"}