{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:LCW52QJQ34FMMUWOYGGN2LH4AW","short_pith_number":"pith:LCW52QJQ","schema_version":"1.0","canonical_sha256":"58addd4130df0ac652cec18cdd2cfc058bf645a90be8ceb956c773263f6e6a09","source":{"kind":"arxiv","id":"1306.6360","version":1},"attestation_state":"computed","paper":{"title":"Particle-particle and quasiparticle random phase approximations: Connections to coupled cluster theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Gustavo E. Scuseria, Ireneusz W. Bulik, Thomas M. Henderson","submitted_at":"2013-06-26T20:58:16Z","abstract_excerpt":"We establish a formal connection between the particle-particle (pp) random phase approximation (RPA) and the ladder channel of the coupled cluster doubles (CCD) equations. The relationship between RPA and CCD is best understood within a Bogoliubov quasiparticle (qp) RPA formalism. This work is a follow-up to our previous formal proof on the connection between particle-hole (ph) RPA and ring-CCD. Whereas RPA is a quasibosonic approximation, CC theory is a correct bosonization in the sense that the wavefunction and Hilbert space are exactly fermionic. Coupled cluster theory achieves this goal by"},"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":"1306.6360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-06-26T20:58:16Z","cross_cats_sorted":[],"title_canon_sha256":"f1bd97e2fa92c3cd08ce24f22dbc0418135fddb7a79cd2f0c087cac6e854446d","abstract_canon_sha256":"925e8728e57f3a53b5b25e81cb99abb9c391d58bd8886bb05ba1fb9e1c361477"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:07.375485Z","signature_b64":"opHGQwogOpqGgxPgKa3ZzTurcgsffaToOUyH31lrfOCFtZGrjwXtjYgD2Fx+dYLvm1pE+4xBHjSJNrdCNoX4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58addd4130df0ac652cec18cdd2cfc058bf645a90be8ceb956c773263f6e6a09","last_reissued_at":"2026-05-18T01:49:07.374920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:07.374920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Particle-particle and quasiparticle random phase approximations: Connections to coupled cluster theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Gustavo E. Scuseria, Ireneusz W. Bulik, Thomas M. Henderson","submitted_at":"2013-06-26T20:58:16Z","abstract_excerpt":"We establish a formal connection between the particle-particle (pp) random phase approximation (RPA) and the ladder channel of the coupled cluster doubles (CCD) equations. The relationship between RPA and CCD is best understood within a Bogoliubov quasiparticle (qp) RPA formalism. This work is a follow-up to our previous formal proof on the connection between particle-hole (ph) RPA and ring-CCD. Whereas RPA is a quasibosonic approximation, CC theory is a correct bosonization in the sense that the wavefunction and Hilbert space are exactly fermionic. Coupled cluster theory achieves this goal by"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6360","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":"1306.6360","created_at":"2026-05-18T01:49:07.374998+00:00"},{"alias_kind":"arxiv_version","alias_value":"1306.6360v1","created_at":"2026-05-18T01:49:07.374998+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6360","created_at":"2026-05-18T01:49:07.374998+00:00"},{"alias_kind":"pith_short_12","alias_value":"LCW52QJQ34FM","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"LCW52QJQ34FMMUWO","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"LCW52QJQ","created_at":"2026-05-18T12:27:51.066281+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/LCW52QJQ34FMMUWOYGGN2LH4AW","json":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW.json","graph_json":"https://pith.science/api/pith-number/LCW52QJQ34FMMUWOYGGN2LH4AW/graph.json","events_json":"https://pith.science/api/pith-number/LCW52QJQ34FMMUWOYGGN2LH4AW/events.json","paper":"https://pith.science/paper/LCW52QJQ"},"agent_actions":{"view_html":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW","download_json":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW.json","view_paper":"https://pith.science/paper/LCW52QJQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1306.6360&json=true","fetch_graph":"https://pith.science/api/pith-number/LCW52QJQ34FMMUWOYGGN2LH4AW/graph.json","fetch_events":"https://pith.science/api/pith-number/LCW52QJQ34FMMUWOYGGN2LH4AW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW/action/storage_attestation","attest_author":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW/action/author_attestation","sign_citation":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW/action/citation_signature","submit_replication":"https://pith.science/pith/LCW52QJQ34FMMUWOYGGN2LH4AW/action/replication_record"}},"created_at":"2026-05-18T01:49:07.374998+00:00","updated_at":"2026-05-18T01:49:07.374998+00:00"}