{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:SQ2AZWPKFYEVOHCMKV7QRCDH6F","short_pith_number":"pith:SQ2AZWPK","schema_version":"1.0","canonical_sha256":"94340cd9ea2e09571c4c557f088867f15d5db5d73837a0c382b377341b00c5a1","source":{"kind":"arxiv","id":"1404.6427","version":3},"attestation_state":"computed","paper":{"title":"Quantum coherence and uncertainty in the anisotropic XY chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"B. \\c{C}akmak, F. F. Fanchini, G. Karpat","submitted_at":"2014-04-25T14:23:21Z","abstract_excerpt":"We explore the local quantum coherence and the local quantum uncertainty, based on Wigner-Yanase skew information, in the ground state of the anisotropic spin-1/2 XY chain in transverse magnetic field. We show that the skew information, as a figure of merit, supplies the necessary information to reveal the occurrence of the second order phase transition and the completely factorized ground state in the XY model. Additionally, in the same context, we also discuss the usefulness of a simple experimentally friendly lower bound of local quantum coherence. Furthermore, we demonstrate how the connec"},"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":"1404.6427","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-25T14:23:21Z","cross_cats_sorted":[],"title_canon_sha256":"da99aeb1a90fbd7caf8059d6d4c01a346a99a94af23546ed546987be138e212e","abstract_canon_sha256":"45e9ea478ad9fc40d52bef1f360f64f0be1f52a9f72e5b171a6dd15a43fe62f1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:24.649921Z","signature_b64":"IMski4AboDpr6Qs5rpSxm8+3OBUJRKkaIv9gfM6RI7x3UpFXEw3NpaanWfYUQfCD5Jl/EyhYnUldbRhHSV6lDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94340cd9ea2e09571c4c557f088867f15d5db5d73837a0c382b377341b00c5a1","last_reissued_at":"2026-05-18T02:41:24.649446Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:24.649446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum coherence and uncertainty in the anisotropic XY chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"B. \\c{C}akmak, F. F. Fanchini, G. Karpat","submitted_at":"2014-04-25T14:23:21Z","abstract_excerpt":"We explore the local quantum coherence and the local quantum uncertainty, based on Wigner-Yanase skew information, in the ground state of the anisotropic spin-1/2 XY chain in transverse magnetic field. We show that the skew information, as a figure of merit, supplies the necessary information to reveal the occurrence of the second order phase transition and the completely factorized ground state in the XY model. Additionally, in the same context, we also discuss the usefulness of a simple experimentally friendly lower bound of local quantum coherence. Furthermore, we demonstrate how the connec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6427","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":"1404.6427","created_at":"2026-05-18T02:41:24.649523+00:00"},{"alias_kind":"arxiv_version","alias_value":"1404.6427v3","created_at":"2026-05-18T02:41:24.649523+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6427","created_at":"2026-05-18T02:41:24.649523+00:00"},{"alias_kind":"pith_short_12","alias_value":"SQ2AZWPKFYEV","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_16","alias_value":"SQ2AZWPKFYEVOHCM","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_8","alias_value":"SQ2AZWPK","created_at":"2026-05-18T12:28:49.207871+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/SQ2AZWPKFYEVOHCMKV7QRCDH6F","json":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F.json","graph_json":"https://pith.science/api/pith-number/SQ2AZWPKFYEVOHCMKV7QRCDH6F/graph.json","events_json":"https://pith.science/api/pith-number/SQ2AZWPKFYEVOHCMKV7QRCDH6F/events.json","paper":"https://pith.science/paper/SQ2AZWPK"},"agent_actions":{"view_html":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F","download_json":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F.json","view_paper":"https://pith.science/paper/SQ2AZWPK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1404.6427&json=true","fetch_graph":"https://pith.science/api/pith-number/SQ2AZWPKFYEVOHCMKV7QRCDH6F/graph.json","fetch_events":"https://pith.science/api/pith-number/SQ2AZWPKFYEVOHCMKV7QRCDH6F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F/action/storage_attestation","attest_author":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F/action/author_attestation","sign_citation":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F/action/citation_signature","submit_replication":"https://pith.science/pith/SQ2AZWPKFYEVOHCMKV7QRCDH6F/action/replication_record"}},"created_at":"2026-05-18T02:41:24.649523+00:00","updated_at":"2026-05-18T02:41:24.649523+00:00"}