{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:2ULWLVAIRYJYNULPY5QWCYY5VJ","short_pith_number":"pith:2ULWLVAI","schema_version":"1.0","canonical_sha256":"d51765d4088e1386d16fc76161631daa40b22e8bec1ffbb340bf2eed0adcdcfc","source":{"kind":"arxiv","id":"2505.20581","version":2},"attestation_state":"computed","paper":{"title":"Observation of Phase Doubling and Entanglement in Coherent Matter-Wave Reactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Cheng Chin, Chuixin Kong, Shu Nagata, Tadej Meznarsic","submitted_at":"2025-05-26T23:32:49Z","abstract_excerpt":"Chemical reactions in a statistical ensemble are conventionally regarded as incoherent processes driven by thermodynamics. In the quantum degenerate regime, where atoms and molecules form coherent matter waves, reactions are theoretically described by nonlinear mixing of matter-wave fields. In this scenario, we expect phase matching between reactants and products, analogous to the mixing of photonic fields in nonlinear optics. Here we report on the observation of phase coherent reaction dynamics of Bose-condensed atoms and molecules near a Feshbach resonance. Using matter-wave diffraction with"},"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":"2505.20581","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-05-26T23:32:49Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"3ca1ed1714c31d33acd382754a48478956970eb454218b8447d40bd8d8f0b9bf","abstract_canon_sha256":"3c1c58961ca1a4072cd7ec38da0c6bb3b40ae1dd4bfafd281259383b8cb7da5b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:06.343135Z","signature_b64":"92Ma+7zRCnxrJXuSDxOpL42uBY3FZ20+MbxCIIWJchbCEM/WafayS3fgZF3OnPAJI5BiLnk47iN83bX6c+vYAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d51765d4088e1386d16fc76161631daa40b22e8bec1ffbb340bf2eed0adcdcfc","last_reissued_at":"2026-06-02T02:04:06.342675Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:06.342675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of Phase Doubling and Entanglement in Coherent Matter-Wave Reactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Cheng Chin, Chuixin Kong, Shu Nagata, Tadej Meznarsic","submitted_at":"2025-05-26T23:32:49Z","abstract_excerpt":"Chemical reactions in a statistical ensemble are conventionally regarded as incoherent processes driven by thermodynamics. In the quantum degenerate regime, where atoms and molecules form coherent matter waves, reactions are theoretically described by nonlinear mixing of matter-wave fields. In this scenario, we expect phase matching between reactants and products, analogous to the mixing of photonic fields in nonlinear optics. Here we report on the observation of phase coherent reaction dynamics of Bose-condensed atoms and molecules near a Feshbach resonance. Using matter-wave diffraction with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.20581","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/2505.20581/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":"2505.20581","created_at":"2026-06-02T02:04:06.342738+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.20581v2","created_at":"2026-06-02T02:04:06.342738+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.20581","created_at":"2026-06-02T02:04:06.342738+00:00"},{"alias_kind":"pith_short_12","alias_value":"2ULWLVAIRYJY","created_at":"2026-06-02T02:04:06.342738+00:00"},{"alias_kind":"pith_short_16","alias_value":"2ULWLVAIRYJYNULP","created_at":"2026-06-02T02:04:06.342738+00:00"},{"alias_kind":"pith_short_8","alias_value":"2ULWLVAI","created_at":"2026-06-02T02:04:06.342738+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/2ULWLVAIRYJYNULPY5QWCYY5VJ","json":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ.json","graph_json":"https://pith.science/api/pith-number/2ULWLVAIRYJYNULPY5QWCYY5VJ/graph.json","events_json":"https://pith.science/api/pith-number/2ULWLVAIRYJYNULPY5QWCYY5VJ/events.json","paper":"https://pith.science/paper/2ULWLVAI"},"agent_actions":{"view_html":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ","download_json":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ.json","view_paper":"https://pith.science/paper/2ULWLVAI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.20581&json=true","fetch_graph":"https://pith.science/api/pith-number/2ULWLVAIRYJYNULPY5QWCYY5VJ/graph.json","fetch_events":"https://pith.science/api/pith-number/2ULWLVAIRYJYNULPY5QWCYY5VJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ/action/storage_attestation","attest_author":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ/action/author_attestation","sign_citation":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ/action/citation_signature","submit_replication":"https://pith.science/pith/2ULWLVAIRYJYNULPY5QWCYY5VJ/action/replication_record"}},"created_at":"2026-06-02T02:04:06.342738+00:00","updated_at":"2026-06-02T02:04:06.342738+00:00"}