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    "title": "Molecular diffraction supports phase doubling and reactive pair correlations",
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        "description": "Phases and pair correlators are reconstructed from diffraction populations using specified few-mode wavefunctions, symmetry assumptions and calibration corrections. The entanglement inference concerns that model of identical atom pairs; it is not an independent Bell test or separately measured full two-particle tomography. Molecules occupy a high-lying bound state, and coherence is finite. The first report dates from 2025; the cited 2026 revision may differ from earlier and journal versions.",
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      "statement": "# Molecular diffraction supports phase doubling and reactive pair correlations\n\nNagata and colleagues used optical-lattice diffraction to probe coherence during association of cesium atoms into molecules. They reconstructed a molecular spatial phase close to twice the imprinted atomic phase, with a small correction from unequal reaction couplings. Molecular momentum populations also yielded a negative parity and a positive entanglement witness within their coherent symmetric-pair model. This extends earlier population-oscillation evidence to phase transfer and reactive pair correlations.\n\n## Scientific scope\n\nPhases and pair correlators are reconstructed from diffraction populations using specified few-mode wavefunctions, symmetry assumptions and calibration corrections. The entanglement inference concerns that model of identical atom pairs; it is not an independent Bell test or separately measured full two-particle tomography. Molecules occupy a high-lying bound state, and coherence is finite. The first report dates from 2025; the cited 2026 revision may differ from earlier and journal versions.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nShu Nagata; Tadej Mežnaršič; Chuixin Kong; Cheng Chin\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [Observation of Phase Doubling and Entanglement in Coherent Matter-Wave Reactions — exact author revision v2 with complete Methods](https://arxiv.org/pdf/2505.20581v2)\n",
      "summary": "Nagata and colleagues used optical-lattice diffraction to probe coherence during association of cesium atoms into molecules. They reconstructed a molecular spatial phase close to twice the imprinted atomic phase, with a small correction from unequal reaction couplings. Molecular momentum populations also yielded a negative parity and a positive entanglement witness within their coherent symmetric-pair model. This extends earlier population-oscillation evidence to phase transfer and reactive pair correlations.",
      "title": "Molecular diffraction supports phase doubling and reactive pair correlations"
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    "title": "Molecular diffraction supports phase doubling and reactive pair correlations",
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    "what_changed": "Nagata and colleagues used optical-lattice diffraction to probe coherence during association of cesium atoms into molecules. They reconstructed a molecular spatial phase close to twice the imprinted atomic phase, with a small correction from unequal reaction couplings. Molecular momentum populations also yielded a negative parity and a positive entanglement witness within their coherent symmetric-pair model. This extends earlier population-oscillation evidence to phase transfer and reactive pair correlations.",
    "scope": "Nagata and colleagues used optical-lattice diffraction to probe coherence during association of cesium atoms into molecules. They reconstructed a molecular spatial phase close to twice the imprinted atomic phase, with a small correction from unequal reaction couplings. Molecular momentum populations also yielded a negative parity and a positive entanglement witness within their coherent symmetric-pair model. This extends earlier population-oscillation evidence to phase transfer and reactive pair correlations. Phases and pair correlators are reconstructed from diffraction populations using specified few-mode wavefunctions, symmetry assumptions and calibration corrections. The entanglement inference concerns that model of identical atom pairs; it is not an independent Bell test or separately measured full two-particle tomography. Molecules occupy a high-lying bound state, and coherence is finite. The first report dates from 2025; the cited 2026 revision may differ from earlier and journal versions.",
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