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    "title": "Phase-engineered vortices in a two-component Bose-Einstein condensate",
    "summary": "Matthews and colleagues created vortices in either component of a two-state rubidium Bose-Einstein condensate through spatially controlled coherent transitions, following a proposal by Williams and Holland. They used an intercomponent interference measurement to map the relative phase around the vortex and observed different evolution for the two choices of component.",
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        "description": "This is a phase-engineered two-component vortex, distinct from later rotating single-component vortex arrays. The inferred phase image is approximately the cosine of the relative phase and is affected by imperfect line-of-sight overlap and zero-level uncertainty. The authors could not rule out a rotated ring as an alternative to apparent breakup in one image sequence, and stability depended on component populations and initial asymmetry. Their data do not establish universal vortex stability.",
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      "statement": "# Phase-engineered vortices in a two-component Bose-Einstein condensate\n\nMatthews and colleagues created vortices in either component of a two-state rubidium Bose-Einstein condensate through spatially controlled coherent transitions, following a proposal by Williams and Holland. They used an intercomponent interference measurement to map the relative phase around the vortex and observed different evolution for the two choices of component.\n\n## Scientific scope\n\nThis is a phase-engineered two-component vortex, distinct from later rotating single-component vortex arrays. The inferred phase image is approximately the cosine of the relative phase and is affected by imperfect line-of-sight overlap and zero-level uncertainty. The authors could not rule out a rotated ring as an alternative to apparent breakup in one image sequence, and stability depended on component populations and initial asymmetry. Their data do not establish universal vortex stability.\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\nM. R. Matthews; B. P. Anderson; P. C. Haljan; D. S. Hall; C. E. Wieman; E. A. Cornell\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- [Vortices in a Bose-Einstein Condensate](https://arxiv.org/pdf/cond-mat/9908209v1)\n",
      "summary": "Matthews and colleagues created vortices in either component of a two-state rubidium Bose-Einstein condensate through spatially controlled coherent transitions, following a proposal by Williams and Holland. They used an intercomponent interference measurement to map the relative phase around the vortex and observed different evolution for the two choices of component.",
      "title": "Phase-engineered vortices in a two-component Bose-Einstein condensate"
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    "title": "Phase-engineered vortices in a two-component Bose-Einstein condensate",
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    "what_changed": "Matthews and colleagues created vortices in either component of a two-state rubidium Bose-Einstein condensate through spatially controlled coherent transitions, following a proposal by Williams and Holland. They used an intercomponent interference measurement to map the relative phase around the vortex and observed different evolution for the two choices of component.",
    "scope": "Matthews and colleagues created vortices in either component of a two-state rubidium Bose-Einstein condensate through spatially controlled coherent transitions, following a proposal by Williams and Holland. They used an intercomponent interference measurement to map the relative phase around the vortex and observed different evolution for the two choices of component. This is a phase-engineered two-component vortex, distinct from later rotating single-component vortex arrays. The inferred phase image is approximately the cosine of the relative phase and is affected by imperfect line-of-sight overlap and zero-level uncertainty. The authors could not rule out a rotated ring as an alternative to apparent breakup in one image sequence, and stability depended on component populations and initial asymmetry. Their data do not establish universal vortex stability.",
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