{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:43BBLLHUYUGEBOMAG7BF5KUA4Q","short_pith_number":"pith:43BBLLHU","schema_version":"1.0","canonical_sha256":"e6c215acf4c50c40b98037c25eaa80e4023becffa2f9922e198b4741679d45e7","source":{"kind":"arxiv","id":"1407.7057","version":2},"attestation_state":"computed","paper":{"title":"Left-Right Entanglement Entropy of Boundary States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"hep-th","authors_text":"Leopoldo A. Pando Zayas, Norma Quiroz","submitted_at":"2014-07-25T21:02:01Z","abstract_excerpt":"We study entanglement entropy of boundary states in a free bosonic conformal field theory. A boundary state can be thought of as composed of a particular combination of left and right-moving modes of the two-dimensional conformal field theory. We investigate the reduced density matrix obtained by tracing over the right-moving modes in various boundary states. We consider Dirichlet and Neumann boundary states of a free noncompact as well as a compact boson. The results for the entanglement entropy indicate that the reduced system can be viewed as a thermal CFT gas. Our findings are in agreement"},"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":"1407.7057","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-07-25T21:02:01Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"8999f03bc46ffd6e1e101bc7f59ec3b3f03d64f57b6c7b8ce4e0538a959b43e6","abstract_canon_sha256":"9f9889484ccb78f116ce90a9c951f5341900a9973a23862c948ba23f04ae8f54"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:29.767136Z","signature_b64":"F787x0aV5yKBOyqs8BCbaSlPv8ikSWZSenXSR0sVQCG/RVDheUkZqkZcv+kaPrFhidMJ1MWBQkKvtiwzW/6sDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6c215acf4c50c40b98037c25eaa80e4023becffa2f9922e198b4741679d45e7","last_reissued_at":"2026-05-18T01:42:29.766421Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:29.766421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Left-Right Entanglement Entropy of Boundary States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"hep-th","authors_text":"Leopoldo A. Pando Zayas, Norma Quiroz","submitted_at":"2014-07-25T21:02:01Z","abstract_excerpt":"We study entanglement entropy of boundary states in a free bosonic conformal field theory. A boundary state can be thought of as composed of a particular combination of left and right-moving modes of the two-dimensional conformal field theory. We investigate the reduced density matrix obtained by tracing over the right-moving modes in various boundary states. We consider Dirichlet and Neumann boundary states of a free noncompact as well as a compact boson. The results for the entanglement entropy indicate that the reduced system can be viewed as a thermal CFT gas. Our findings are in agreement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7057","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":"1407.7057","created_at":"2026-05-18T01:42:29.766538+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.7057v2","created_at":"2026-05-18T01:42:29.766538+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7057","created_at":"2026-05-18T01:42:29.766538+00:00"},{"alias_kind":"pith_short_12","alias_value":"43BBLLHUYUGE","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"43BBLLHUYUGEBOMA","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"43BBLLHU","created_at":"2026-05-18T12:28:11.866339+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/43BBLLHUYUGEBOMAG7BF5KUA4Q","json":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q.json","graph_json":"https://pith.science/api/pith-number/43BBLLHUYUGEBOMAG7BF5KUA4Q/graph.json","events_json":"https://pith.science/api/pith-number/43BBLLHUYUGEBOMAG7BF5KUA4Q/events.json","paper":"https://pith.science/paper/43BBLLHU"},"agent_actions":{"view_html":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q","download_json":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q.json","view_paper":"https://pith.science/paper/43BBLLHU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.7057&json=true","fetch_graph":"https://pith.science/api/pith-number/43BBLLHUYUGEBOMAG7BF5KUA4Q/graph.json","fetch_events":"https://pith.science/api/pith-number/43BBLLHUYUGEBOMAG7BF5KUA4Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q/action/storage_attestation","attest_author":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q/action/author_attestation","sign_citation":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q/action/citation_signature","submit_replication":"https://pith.science/pith/43BBLLHUYUGEBOMAG7BF5KUA4Q/action/replication_record"}},"created_at":"2026-05-18T01:42:29.766538+00:00","updated_at":"2026-05-18T01:42:29.766538+00:00"}