{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:BHJJ2LKP7VVCW23FAMZBU2DVUY","short_pith_number":"pith:BHJJ2LKP","schema_version":"1.0","canonical_sha256":"09d29d2d4ffd6a2b6b6503321a6875a60cd6dbe193f62911307b012f6c8f5196","source":{"kind":"arxiv","id":"1306.5828","version":3},"attestation_state":"computed","paper":{"title":"Entanglement entropy scaling of the XXZ chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"I. P. McCulloch, Miguel Cazalilla, Ming-Chiang Chung, Pochung Chen, S.-K. Yip, Zhi-Long Xue","submitted_at":"2013-06-25T02:00:43Z","abstract_excerpt":"We study the entanglement entropy scaling of the XXZ chain. While in the critical XY phase of the XXZ chain the entanglement entropy scales logarithmically with a coefficient that is determined by the associated conformal field theory, at the ferromagnetic point, however, the system is not conformally invariant yet the entanglement entropy still scales logarithmically albeit with a different coefficient. We investigate how such an nontrivial scaling at the ferromagnetic point influences the estimation of the central charge $c$ in the critical XY phase. In particular we use the entanglement sca"},"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":"1306.5828","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-06-25T02:00:43Z","cross_cats_sorted":[],"title_canon_sha256":"2612f1f28e623c8e0ab61805f185a333eb14ba43b8332cf0eaa30d7969a2663f","abstract_canon_sha256":"196d17a27b585f90355391d236e3082a18801bb01e8b8810b899e3e1a84bb7cd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:36.665229Z","signature_b64":"/0H6OAAzUrQ4VD9XhNV+rGET3nHjDw4zKaAKGjU4tKdoASUY4fJ3Mb2RudZJlWxX1F1t51cr4Rq9e+Bsaj3RDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09d29d2d4ffd6a2b6b6503321a6875a60cd6dbe193f62911307b012f6c8f5196","last_reissued_at":"2026-05-18T03:10:36.664584Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:36.664584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Entanglement entropy scaling of the XXZ chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"I. P. McCulloch, Miguel Cazalilla, Ming-Chiang Chung, Pochung Chen, S.-K. Yip, Zhi-Long Xue","submitted_at":"2013-06-25T02:00:43Z","abstract_excerpt":"We study the entanglement entropy scaling of the XXZ chain. While in the critical XY phase of the XXZ chain the entanglement entropy scales logarithmically with a coefficient that is determined by the associated conformal field theory, at the ferromagnetic point, however, the system is not conformally invariant yet the entanglement entropy still scales logarithmically albeit with a different coefficient. We investigate how such an nontrivial scaling at the ferromagnetic point influences the estimation of the central charge $c$ in the critical XY phase. In particular we use the entanglement sca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5828","kind":"arxiv","version":3},"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":"1306.5828","created_at":"2026-05-18T03:10:36.664690+00:00"},{"alias_kind":"arxiv_version","alias_value":"1306.5828v3","created_at":"2026-05-18T03:10:36.664690+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5828","created_at":"2026-05-18T03:10:36.664690+00:00"},{"alias_kind":"pith_short_12","alias_value":"BHJJ2LKP7VVC","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"BHJJ2LKP7VVCW23F","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"BHJJ2LKP","created_at":"2026-05-18T12:27:38.830355+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/BHJJ2LKP7VVCW23FAMZBU2DVUY","json":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY.json","graph_json":"https://pith.science/api/pith-number/BHJJ2LKP7VVCW23FAMZBU2DVUY/graph.json","events_json":"https://pith.science/api/pith-number/BHJJ2LKP7VVCW23FAMZBU2DVUY/events.json","paper":"https://pith.science/paper/BHJJ2LKP"},"agent_actions":{"view_html":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY","download_json":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY.json","view_paper":"https://pith.science/paper/BHJJ2LKP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1306.5828&json=true","fetch_graph":"https://pith.science/api/pith-number/BHJJ2LKP7VVCW23FAMZBU2DVUY/graph.json","fetch_events":"https://pith.science/api/pith-number/BHJJ2LKP7VVCW23FAMZBU2DVUY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY/action/storage_attestation","attest_author":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY/action/author_attestation","sign_citation":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY/action/citation_signature","submit_replication":"https://pith.science/pith/BHJJ2LKP7VVCW23FAMZBU2DVUY/action/replication_record"}},"created_at":"2026-05-18T03:10:36.664690+00:00","updated_at":"2026-05-18T03:10:36.664690+00:00"}