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    "headline": "Physics Reconstructed the Samples the Sensor Never Took",
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    "dek": "Positive-semidefinite, Toeplitz and low-rank constraints improved sparse quantum-sensing estimates in simulation.",
    "summary": "Positive-semidefinite, Toeplitz and low-rank constraints improved sparse quantum-sensing estimates in simulation.",
    "body_text": "A convex reconstruction method uses universal structure in time-domain correlation functions. In simulated GHZ magnetometry it reduced frequency error in data-starved settings without adding hardware, though it did not generally reach the shot-noise limit.",
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      "quantum sensing",
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      "signal reconstruction"
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      "title": "arXiv preprint 2608.11092",
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