{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:KA6KJTEZLO3AYBZ2YDVVLALXPC","short_pith_number":"pith:KA6KJTEZ","schema_version":"1.0","canonical_sha256":"503ca4cc995bb60c073ac0eb558177788929cdf6041d816b75e29af5a05f7978","source":{"kind":"arxiv","id":"1904.06235","version":1},"attestation_state":"computed","paper":{"title":"Comparing particle-particle and particle-hole channels of random-phase approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph","physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Muhammad N. Tahir, Xinguo Ren","submitted_at":"2019-04-12T13:52:35Z","abstract_excerpt":"We present a comparative study of particle-hole and particle-particle channels of random-phase approximation (RPA) for molecular dissociations of different bonding types. We introduced a \\textit{direct} particle-particle RPA scheme, in analogy to the \\textit{direct} particle-hole RPA formalism, whereby the exchange-type contributions are excluded. This allows us to compare the behavior of the particle-hole and particle-particle RPA channels on the same footing. Our study unravels the critical role of exchange contributions in determining behaviors of the two RPA channels for describing stretch"},"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":"1904.06235","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-04-12T13:52:35Z","cross_cats_sorted":["physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"eff85b6f1bb77b93f169e65f2e6e0a8cf382ebe29d84100f6e5d4d5391c61c01","abstract_canon_sha256":"b4c9949f6edb8c8863d3a67f9e0132e78d2f299755b801fabdaee5789c288f64"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:11.390538Z","signature_b64":"NoSlHfmPlP6VB03jpf/7knu4dzSk/P6102tAX6KU/KrmSih2/t7VZKlJiqRJ4rDKBJMhzckzURr8x2PMudWSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"503ca4cc995bb60c073ac0eb558177788929cdf6041d816b75e29af5a05f7978","last_reissued_at":"2026-05-17T23:44:11.389970Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:11.389970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comparing particle-particle and particle-hole channels of random-phase approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph","physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Muhammad N. Tahir, Xinguo Ren","submitted_at":"2019-04-12T13:52:35Z","abstract_excerpt":"We present a comparative study of particle-hole and particle-particle channels of random-phase approximation (RPA) for molecular dissociations of different bonding types. We introduced a \\textit{direct} particle-particle RPA scheme, in analogy to the \\textit{direct} particle-hole RPA formalism, whereby the exchange-type contributions are excluded. This allows us to compare the behavior of the particle-hole and particle-particle RPA channels on the same footing. Our study unravels the critical role of exchange contributions in determining behaviors of the two RPA channels for describing stretch"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06235","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":"1904.06235","created_at":"2026-05-17T23:44:11.390050+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.06235v1","created_at":"2026-05-17T23:44:11.390050+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06235","created_at":"2026-05-17T23:44:11.390050+00:00"},{"alias_kind":"pith_short_12","alias_value":"KA6KJTEZLO3A","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"KA6KJTEZLO3AYBZ2","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"KA6KJTEZ","created_at":"2026-05-18T12:33:21.387695+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/KA6KJTEZLO3AYBZ2YDVVLALXPC","json":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC.json","graph_json":"https://pith.science/api/pith-number/KA6KJTEZLO3AYBZ2YDVVLALXPC/graph.json","events_json":"https://pith.science/api/pith-number/KA6KJTEZLO3AYBZ2YDVVLALXPC/events.json","paper":"https://pith.science/paper/KA6KJTEZ"},"agent_actions":{"view_html":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC","download_json":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC.json","view_paper":"https://pith.science/paper/KA6KJTEZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.06235&json=true","fetch_graph":"https://pith.science/api/pith-number/KA6KJTEZLO3AYBZ2YDVVLALXPC/graph.json","fetch_events":"https://pith.science/api/pith-number/KA6KJTEZLO3AYBZ2YDVVLALXPC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC/action/storage_attestation","attest_author":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC/action/author_attestation","sign_citation":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC/action/citation_signature","submit_replication":"https://pith.science/pith/KA6KJTEZLO3AYBZ2YDVVLALXPC/action/replication_record"}},"created_at":"2026-05-17T23:44:11.390050+00:00","updated_at":"2026-05-17T23:44:11.390050+00:00"}