{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:4T2ZUXAZUSRCADUZCI5XUAZ35J","short_pith_number":"pith:4T2ZUXAZ","schema_version":"1.0","canonical_sha256":"e4f59a5c19a4a2200e99123b7a033bea60275bc8871d29ce48206c719c424497","source":{"kind":"arxiv","id":"1401.0596","version":1},"attestation_state":"computed","paper":{"title":"Quantum fisher information in noninertial frames","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chang-Pu Sun, Li Ge, Xiao-Guang Wang, Xing Xiao, Yao Yao","submitted_at":"2014-01-03T06:35:49Z","abstract_excerpt":"We investigate the performance of quantum fisher information under the Unruh-Hawking effect, where one of the observers (eg, Rob) is uniformly accelerated with respect to other partners. In the context of relativistic quantum information theory, we demonstrate that quantum fisher information, as an important measure of the information content of quantum states, has a rich and subtle physical structure comparing with entanglement or Bell nonlocality. In this work, we mainly focus on the parameterized (and arbitrary) pure two-qubit states, where the weight parameter $\\theta$ and phase parameter "},"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":"1401.0596","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-03T06:35:49Z","cross_cats_sorted":[],"title_canon_sha256":"8f345060c3c57dbd7d3e40c7c326ccd96e9351b4c13f9062fedc2b84ecf2fa5c","abstract_canon_sha256":"3965d266806bc6bbb206e1d81f040a9b6052ca4b28f5e09db03cfdc70030ef65"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:14.104369Z","signature_b64":"a4wglQ7baI1WMQKIGE+45AKrc3sbNf8k+NXkmIpFqMQxIaKl6O50DoQMtcsGSsCmn07P/7/PrLpiplAqnT4UAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4f59a5c19a4a2200e99123b7a033bea60275bc8871d29ce48206c719c424497","last_reissued_at":"2026-05-18T02:52:14.103558Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:14.103558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum fisher information in noninertial frames","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chang-Pu Sun, Li Ge, Xiao-Guang Wang, Xing Xiao, Yao Yao","submitted_at":"2014-01-03T06:35:49Z","abstract_excerpt":"We investigate the performance of quantum fisher information under the Unruh-Hawking effect, where one of the observers (eg, Rob) is uniformly accelerated with respect to other partners. In the context of relativistic quantum information theory, we demonstrate that quantum fisher information, as an important measure of the information content of quantum states, has a rich and subtle physical structure comparing with entanglement or Bell nonlocality. In this work, we mainly focus on the parameterized (and arbitrary) pure two-qubit states, where the weight parameter $\\theta$ and phase parameter "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0596","kind":"arxiv","version":1},"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":"1401.0596","created_at":"2026-05-18T02:52:14.103697+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.0596v1","created_at":"2026-05-18T02:52:14.103697+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0596","created_at":"2026-05-18T02:52:14.103697+00:00"},{"alias_kind":"pith_short_12","alias_value":"4T2ZUXAZUSRC","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"4T2ZUXAZUSRCADUZ","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"4T2ZUXAZ","created_at":"2026-05-18T12:28:14.216126+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/4T2ZUXAZUSRCADUZCI5XUAZ35J","json":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J.json","graph_json":"https://pith.science/api/pith-number/4T2ZUXAZUSRCADUZCI5XUAZ35J/graph.json","events_json":"https://pith.science/api/pith-number/4T2ZUXAZUSRCADUZCI5XUAZ35J/events.json","paper":"https://pith.science/paper/4T2ZUXAZ"},"agent_actions":{"view_html":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J","download_json":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J.json","view_paper":"https://pith.science/paper/4T2ZUXAZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.0596&json=true","fetch_graph":"https://pith.science/api/pith-number/4T2ZUXAZUSRCADUZCI5XUAZ35J/graph.json","fetch_events":"https://pith.science/api/pith-number/4T2ZUXAZUSRCADUZCI5XUAZ35J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J/action/storage_attestation","attest_author":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J/action/author_attestation","sign_citation":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J/action/citation_signature","submit_replication":"https://pith.science/pith/4T2ZUXAZUSRCADUZCI5XUAZ35J/action/replication_record"}},"created_at":"2026-05-18T02:52:14.103697+00:00","updated_at":"2026-05-18T02:52:14.103697+00:00"}