{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:GWWSXKY4PDBVBQ4KMQ7SWJPST5","short_pith_number":"pith:GWWSXKY4","schema_version":"1.0","canonical_sha256":"35ad2bab1c78c350c38a643f2b25f29f73800a120bd6d635939104b71ef75b69","source":{"kind":"arxiv","id":"2502.19761","version":2},"attestation_state":"computed","paper":{"title":"High-precision measurement of microwave electric field by cavity-enhanced critical behavior in a many-body Rydberg atomic system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Gang Li, Pengfei Yang, Pengfei Zhang, Qinxia Wang, Shijun Guan, Tiancai Zhang, Yukang Liang, Zhihui Wang","submitted_at":"2025-02-27T05:01:08Z","abstract_excerpt":"It has been demonstrated that the Rydberg criticality in a many-body atomic system can enhance the measurement sensitivity of the microwave electric field by increasing the Fisher information. In our previous work, we proposed and experimentally verified that the Fisher information near the critical point can be increased by more than two orders of magnitude with the Rydberg atoms coupled with an optical cavity compared with that in free space. Here we demonstrate the precision measurement of the microwave electric field by cavity-enhanced critical behavior. We show that the equivalent measure"},"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":"2502.19761","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-02-27T05:01:08Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"856d5b1086a7de3c8499e058cc7b9fb308ef7373b79ef5aad9173c335845947f","abstract_canon_sha256":"b562e985a9c62dc839fd0e531fc82edf16287d26a4931ed83427a9e9e61b3df8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:22:58.394486Z","signature_b64":"+WGnspS+9BGI5mcMfVYyzbguDHpkg7Oc+OgqYJ1dt2ZUrOOyLVAsedA8DGbag0Q+6WMCpokLvZMHhXhHQnKfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35ad2bab1c78c350c38a643f2b25f29f73800a120bd6d635939104b71ef75b69","last_reissued_at":"2026-07-05T10:22:58.394006Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:22:58.394006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-precision measurement of microwave electric field by cavity-enhanced critical behavior in a many-body Rydberg atomic system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Gang Li, Pengfei Yang, Pengfei Zhang, Qinxia Wang, Shijun Guan, Tiancai Zhang, Yukang Liang, Zhihui Wang","submitted_at":"2025-02-27T05:01:08Z","abstract_excerpt":"It has been demonstrated that the Rydberg criticality in a many-body atomic system can enhance the measurement sensitivity of the microwave electric field by increasing the Fisher information. In our previous work, we proposed and experimentally verified that the Fisher information near the critical point can be increased by more than two orders of magnitude with the Rydberg atoms coupled with an optical cavity compared with that in free space. Here we demonstrate the precision measurement of the microwave electric field by cavity-enhanced critical behavior. We show that the equivalent measure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.19761","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.19761/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2502.19761","created_at":"2026-07-05T10:22:58.394067+00:00"},{"alias_kind":"arxiv_version","alias_value":"2502.19761v2","created_at":"2026-07-05T10:22:58.394067+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.19761","created_at":"2026-07-05T10:22:58.394067+00:00"},{"alias_kind":"pith_short_12","alias_value":"GWWSXKY4PDBV","created_at":"2026-07-05T10:22:58.394067+00:00"},{"alias_kind":"pith_short_16","alias_value":"GWWSXKY4PDBVBQ4K","created_at":"2026-07-05T10:22:58.394067+00:00"},{"alias_kind":"pith_short_8","alias_value":"GWWSXKY4","created_at":"2026-07-05T10:22:58.394067+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/GWWSXKY4PDBVBQ4KMQ7SWJPST5","json":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5.json","graph_json":"https://pith.science/api/pith-number/GWWSXKY4PDBVBQ4KMQ7SWJPST5/graph.json","events_json":"https://pith.science/api/pith-number/GWWSXKY4PDBVBQ4KMQ7SWJPST5/events.json","paper":"https://pith.science/paper/GWWSXKY4"},"agent_actions":{"view_html":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5","download_json":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5.json","view_paper":"https://pith.science/paper/GWWSXKY4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2502.19761&json=true","fetch_graph":"https://pith.science/api/pith-number/GWWSXKY4PDBVBQ4KMQ7SWJPST5/graph.json","fetch_events":"https://pith.science/api/pith-number/GWWSXKY4PDBVBQ4KMQ7SWJPST5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5/action/storage_attestation","attest_author":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5/action/author_attestation","sign_citation":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5/action/citation_signature","submit_replication":"https://pith.science/pith/GWWSXKY4PDBVBQ4KMQ7SWJPST5/action/replication_record"}},"created_at":"2026-07-05T10:22:58.394067+00:00","updated_at":"2026-07-05T10:22:58.394067+00:00"}