{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:64WMWBOAY5JJACSSFCO7JQGBNE","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a3e99fea4479e18ec94b02f50092e7ae4bb12ad297f0acc03c1e44ad6971a4f4","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-10-08T01:35:46Z","title_canon_sha256":"26c0669f05c09001cf38b54154dd5cbd93b9b2c69f3d098c50d153823d9d9d5e"},"schema_version":"1.0","source":{"id":"2110.03850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.03850","created_at":"2026-07-05T03:56:50Z"},{"alias_kind":"arxiv_version","alias_value":"2110.03850v1","created_at":"2026-07-05T03:56:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.03850","created_at":"2026-07-05T03:56:50Z"},{"alias_kind":"pith_short_12","alias_value":"64WMWBOAY5JJ","created_at":"2026-07-05T03:56:50Z"},{"alias_kind":"pith_short_16","alias_value":"64WMWBOAY5JJACSS","created_at":"2026-07-05T03:56:50Z"},{"alias_kind":"pith_short_8","alias_value":"64WMWBOA","created_at":"2026-07-05T03:56:50Z"}],"graph_snapshots":[{"event_id":"sha256:e97e30c0badd88621c03f1f57827a0e2ec0e8ed58a4a63440090244d4ea2f7c8","target":"graph","created_at":"2026-07-05T03:56:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2110.03850/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Bethe-Salpeter equation (BSE) that results from the GW approximation to the self-energy is a frequency-dependent (nonlinear) eigenvalue problem due to the dynamically screened Coulomb interaction between electrons and holes. The computational time required for a numerically exact treatment of this frequency dependence is $O(N^6)$, where $N$ is the system size. To avoid the common static screening approximation, we show that the full-frequency dynamical BSE can be exactly reformulated as a frequency-independent eigenvalue problem in an expanded space of single and double excitations. When c","authors_text":"Sylvia J. Bintrim, Timothy C. Berkelbach","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-10-08T01:35:46Z","title":"Full-frequency dynamical Bethe-Salpeter equation without frequency and a study of double excitations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.03850","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b2175a29f98e4dc981948d38da7a69ec971bfa740da4c295925ecdef99a552bb","target":"record","created_at":"2026-07-05T03:56:50Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a3e99fea4479e18ec94b02f50092e7ae4bb12ad297f0acc03c1e44ad6971a4f4","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-10-08T01:35:46Z","title_canon_sha256":"26c0669f05c09001cf38b54154dd5cbd93b9b2c69f3d098c50d153823d9d9d5e"},"schema_version":"1.0","source":{"id":"2110.03850","kind":"arxiv","version":1}},"canonical_sha256":"f72ccb05c0c752900a52289df4c0c169007ccb14a54e3325803ef77d25f69546","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f72ccb05c0c752900a52289df4c0c169007ccb14a54e3325803ef77d25f69546","first_computed_at":"2026-07-05T03:56:50.903534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:56:50.903534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bMVDE6Rx5vRra6nvOpCQwb/wEMlydKhMYLv45oYhxGNVMmfi8Z1SFSakFhxLhr/WnJ8TxQGaYQ9YhmjMkScPAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:56:50.903945Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.03850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2175a29f98e4dc981948d38da7a69ec971bfa740da4c295925ecdef99a552bb","sha256:e97e30c0badd88621c03f1f57827a0e2ec0e8ed58a4a63440090244d4ea2f7c8"],"state_sha256":"9d45f9cbf705b048d829540a3d10cfccf08bc3007bcc7c31f22223c22dcd7dc1"}