{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:TPGVXDJA2JMJPINSX4MVY52TG5","short_pith_number":"pith:TPGVXDJA","schema_version":"1.0","canonical_sha256":"9bcd5b8d20d25897a1b2bf195c77533768e5dfbf1fc6acfd8929755b2a976b64","source":{"kind":"arxiv","id":"1207.2464","version":1},"attestation_state":"computed","paper":{"title":"Excitonic energy transfer in light-harvesting complexes in purple bacteria","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Chee Kong Lee, Jianshu Cao, Jun Ye, Kewei Sun, Yang Zhao, Yunjin Yu","submitted_at":"2012-07-10T15:50:16Z","abstract_excerpt":"Two distinct approaches, the Frenkel-Dirac time-dependent variation and the Haken-Strobl model, are adopted to study energy transfer dynamics in single-ring and double-ring light-harvesting systems in purple bacteria. It is found that inclusion of long-range dipolar interactions in the two methods results in significant increases in intra- or inter-ring exciton transfer efficiency. The dependence of exciton transfer efficiency on trapping positions on single rings of LH2 (B850) and LH1 is similar to that in toy models with nearest-neighbor coupling only. However, owing to the symmetry breaking"},"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":"1207.2464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-07-10T15:50:16Z","cross_cats_sorted":["physics.bio-ph","quant-ph"],"title_canon_sha256":"8154add2e7eb953f158ae52e5038536678e4a192461fdee9252082926cc4cdf2","abstract_canon_sha256":"e7c0be2d68c7f61e3bb047ce9843e39ac0f783f9617fc839954d85d97e8059a3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:25.678754Z","signature_b64":"t/Cv2ZMD//l80h2rqH5MFwSDT/IrE4Cui0VSwNRFtX6oU0mCaGqIRbBauv7pqaXZKh8PA0R4I8ExARYAy8ppAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9bcd5b8d20d25897a1b2bf195c77533768e5dfbf1fc6acfd8929755b2a976b64","last_reissued_at":"2026-05-18T01:56:25.678052Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:25.678052Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Excitonic energy transfer in light-harvesting complexes in purple bacteria","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Chee Kong Lee, Jianshu Cao, Jun Ye, Kewei Sun, Yang Zhao, Yunjin Yu","submitted_at":"2012-07-10T15:50:16Z","abstract_excerpt":"Two distinct approaches, the Frenkel-Dirac time-dependent variation and the Haken-Strobl model, are adopted to study energy transfer dynamics in single-ring and double-ring light-harvesting systems in purple bacteria. It is found that inclusion of long-range dipolar interactions in the two methods results in significant increases in intra- or inter-ring exciton transfer efficiency. The dependence of exciton transfer efficiency on trapping positions on single rings of LH2 (B850) and LH1 is similar to that in toy models with nearest-neighbor coupling only. However, owing to the symmetry breaking"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2464","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":"1207.2464","created_at":"2026-05-18T01:56:25.678167+00:00"},{"alias_kind":"arxiv_version","alias_value":"1207.2464v1","created_at":"2026-05-18T01:56:25.678167+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2464","created_at":"2026-05-18T01:56:25.678167+00:00"},{"alias_kind":"pith_short_12","alias_value":"TPGVXDJA2JMJ","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"TPGVXDJA2JMJPINS","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"TPGVXDJA","created_at":"2026-05-18T12:27:23.164592+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/TPGVXDJA2JMJPINSX4MVY52TG5","json":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5.json","graph_json":"https://pith.science/api/pith-number/TPGVXDJA2JMJPINSX4MVY52TG5/graph.json","events_json":"https://pith.science/api/pith-number/TPGVXDJA2JMJPINSX4MVY52TG5/events.json","paper":"https://pith.science/paper/TPGVXDJA"},"agent_actions":{"view_html":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5","download_json":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5.json","view_paper":"https://pith.science/paper/TPGVXDJA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1207.2464&json=true","fetch_graph":"https://pith.science/api/pith-number/TPGVXDJA2JMJPINSX4MVY52TG5/graph.json","fetch_events":"https://pith.science/api/pith-number/TPGVXDJA2JMJPINSX4MVY52TG5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5/action/storage_attestation","attest_author":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5/action/author_attestation","sign_citation":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5/action/citation_signature","submit_replication":"https://pith.science/pith/TPGVXDJA2JMJPINSX4MVY52TG5/action/replication_record"}},"created_at":"2026-05-18T01:56:25.678167+00:00","updated_at":"2026-05-18T01:56:25.678167+00:00"}