{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:MHGP6L42BAWT6NXTP5LNKSJAKW","short_pith_number":"pith:MHGP6L42","schema_version":"1.0","canonical_sha256":"61ccff2f9a082d3f36f37f56d5492055becc62a2f96326b2b169d161e6c7d3fd","source":{"kind":"arxiv","id":"1501.00568","version":2},"attestation_state":"computed","paper":{"title":"Entanglement negativity after a local quantum quench in conformal field theories","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.str-el","hep-th","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Po-Yao Chang, Shinsei Ryu, Xueda Wen","submitted_at":"2015-01-03T14:58:06Z","abstract_excerpt":"We study the time evolution of the entanglement negativity after a local quantum quench in (1+1)-dimensional conformal field theories (CFTs), which we introduce by suddenly joining two initially decoupled CFTs at their endpoints. We calculate the negativity evolution for both adjacent intervals and disjoint intervals explicitly. For two adjacent intervals, the entanglement negativity grows logarithmically in time right after the quench. After developing a plateau-like feature, the entanglement negativity drops to the ground-state value. For the case of two spatially separated intervals, a ligh"},"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":"1501.00568","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-03T14:58:06Z","cross_cats_sorted":["cond-mat.str-el","hep-th","quant-ph"],"title_canon_sha256":"a07d5043c96ca5b2e0684b0c1788fb31556fb72ee6ea6e17b4f219f70d0476e0","abstract_canon_sha256":"19959fc6ceea63d2ee1163eefd4d84565c8231fe6d1324bc2fa3ef9ece17bf29"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:32.545268Z","signature_b64":"+so+uHx+o12XCz/c+nHVKudVq1DIrbFySyeUxlLkRoW4Fl5CBkHzTW6xFZUMvR3wbktNT5PNIXkB2Zm6e2rHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61ccff2f9a082d3f36f37f56d5492055becc62a2f96326b2b169d161e6c7d3fd","last_reissued_at":"2026-05-18T01:35:32.544764Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:32.544764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Entanglement negativity after a local quantum quench in conformal field theories","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.str-el","hep-th","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Po-Yao Chang, Shinsei Ryu, Xueda Wen","submitted_at":"2015-01-03T14:58:06Z","abstract_excerpt":"We study the time evolution of the entanglement negativity after a local quantum quench in (1+1)-dimensional conformal field theories (CFTs), which we introduce by suddenly joining two initially decoupled CFTs at their endpoints. We calculate the negativity evolution for both adjacent intervals and disjoint intervals explicitly. For two adjacent intervals, the entanglement negativity grows logarithmically in time right after the quench. After developing a plateau-like feature, the entanglement negativity drops to the ground-state value. For the case of two spatially separated intervals, a ligh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00568","kind":"arxiv","version":2},"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":"1501.00568","created_at":"2026-05-18T01:35:32.544847+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.00568v2","created_at":"2026-05-18T01:35:32.544847+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00568","created_at":"2026-05-18T01:35:32.544847+00:00"},{"alias_kind":"pith_short_12","alias_value":"MHGP6L42BAWT","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"MHGP6L42BAWT6NXT","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"MHGP6L42","created_at":"2026-05-18T12:29:32.376354+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/MHGP6L42BAWT6NXTP5LNKSJAKW","json":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW.json","graph_json":"https://pith.science/api/pith-number/MHGP6L42BAWT6NXTP5LNKSJAKW/graph.json","events_json":"https://pith.science/api/pith-number/MHGP6L42BAWT6NXTP5LNKSJAKW/events.json","paper":"https://pith.science/paper/MHGP6L42"},"agent_actions":{"view_html":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW","download_json":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW.json","view_paper":"https://pith.science/paper/MHGP6L42","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.00568&json=true","fetch_graph":"https://pith.science/api/pith-number/MHGP6L42BAWT6NXTP5LNKSJAKW/graph.json","fetch_events":"https://pith.science/api/pith-number/MHGP6L42BAWT6NXTP5LNKSJAKW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW/action/storage_attestation","attest_author":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW/action/author_attestation","sign_citation":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW/action/citation_signature","submit_replication":"https://pith.science/pith/MHGP6L42BAWT6NXTP5LNKSJAKW/action/replication_record"}},"created_at":"2026-05-18T01:35:32.544847+00:00","updated_at":"2026-05-18T01:35:32.544847+00:00"}