{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:6PCQQ56PDEI7RM6KJK2JIUWQPD","short_pith_number":"pith:6PCQQ56P","schema_version":"1.0","canonical_sha256":"f3c50877cf1911f8b3ca4ab49452d078e8697229b65a4055b9ae327f8d32e2d3","source":{"kind":"arxiv","id":"1301.2022","version":1},"attestation_state":"computed","paper":{"title":"Efficient calculation for the quasiparticle random-phase approximation matrix","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Paolo Avogadro, Takashi Nakatsukasa","submitted_at":"2013-01-10T03:22:06Z","abstract_excerpt":"We present an efficient numerical technique to evaluate the matrix of the (quasiparticle)-random-phase approximation, using the finite amplitude method (FAM). The method is tested in calculation of monopole excitations in 120Sn, compared with result obtained with the former iterative FAM. The neutron-pair-transfer modes are calculated with the present method and their character change in neutron-rich Pb isotopes is discussed. Computational aspects of different FAM approaches are also discussed for future applications to a large-scale computation."},"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":"1301.2022","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-01-10T03:22:06Z","cross_cats_sorted":[],"title_canon_sha256":"f6897ea7c0afc45fe48aebd14baefa045b91c9d6cb5fdd9beea0601d1ea64005","abstract_canon_sha256":"ed335d68db73cabba1614f41e218a69b05e04927f2cd9c07af168b6e4a8d67f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:13.634779Z","signature_b64":"XO8+lKE8yNLBF5SScANekd5qmdN3qqVAhksjyjMDkIWjVtzbAc9GC5YRcSeGGZcGwV/EBSImWUVNRJmZpz8VDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3c50877cf1911f8b3ca4ab49452d078e8697229b65a4055b9ae327f8d32e2d3","last_reissued_at":"2026-05-18T03:34:13.634275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:13.634275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Efficient calculation for the quasiparticle random-phase approximation matrix","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Paolo Avogadro, Takashi Nakatsukasa","submitted_at":"2013-01-10T03:22:06Z","abstract_excerpt":"We present an efficient numerical technique to evaluate the matrix of the (quasiparticle)-random-phase approximation, using the finite amplitude method (FAM). The method is tested in calculation of monopole excitations in 120Sn, compared with result obtained with the former iterative FAM. The neutron-pair-transfer modes are calculated with the present method and their character change in neutron-rich Pb isotopes is discussed. Computational aspects of different FAM approaches are also discussed for future applications to a large-scale computation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2022","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":"1301.2022","created_at":"2026-05-18T03:34:13.634349+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.2022v1","created_at":"2026-05-18T03:34:13.634349+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2022","created_at":"2026-05-18T03:34:13.634349+00:00"},{"alias_kind":"pith_short_12","alias_value":"6PCQQ56PDEI7","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_16","alias_value":"6PCQQ56PDEI7RM6K","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_8","alias_value":"6PCQQ56P","created_at":"2026-05-18T12:27:36.564083+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/6PCQQ56PDEI7RM6KJK2JIUWQPD","json":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD.json","graph_json":"https://pith.science/api/pith-number/6PCQQ56PDEI7RM6KJK2JIUWQPD/graph.json","events_json":"https://pith.science/api/pith-number/6PCQQ56PDEI7RM6KJK2JIUWQPD/events.json","paper":"https://pith.science/paper/6PCQQ56P"},"agent_actions":{"view_html":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD","download_json":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD.json","view_paper":"https://pith.science/paper/6PCQQ56P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.2022&json=true","fetch_graph":"https://pith.science/api/pith-number/6PCQQ56PDEI7RM6KJK2JIUWQPD/graph.json","fetch_events":"https://pith.science/api/pith-number/6PCQQ56PDEI7RM6KJK2JIUWQPD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD/action/storage_attestation","attest_author":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD/action/author_attestation","sign_citation":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD/action/citation_signature","submit_replication":"https://pith.science/pith/6PCQQ56PDEI7RM6KJK2JIUWQPD/action/replication_record"}},"created_at":"2026-05-18T03:34:13.634349+00:00","updated_at":"2026-05-18T03:34:13.634349+00:00"}