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    "headline": "A Pulse Carried Charge Down the Chain Without Sending It Back",
    "slug": "a-pulse-carried-charge-down-the-chain-without-sending-it-back",
    "dek": "A theoretical superconducting-qubit battery uses topological transfer to suppress energy backflow and tolerate imperfect control.",
    "summary": "A theoretical superconducting-qubit battery uses topological transfer to suppress energy backflow and tolerate imperfect control.",
    "body_text": "The proposed protocol modulates couplings along a superconducting-qubit chain so energy moves from a distant charger into the battery through a protected channel. In the authors' calculations, the process avoids backflow, remains robust to pulse imperfections and leaves the target energy fully extractable. Optimizing the pulse shape accelerates the transfer and the mechanism persists as the modeled chain grows. The work supplies a design and theoretical foundation; it does not report a fabricated battery or practical energy-storage device.",
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    "tags": [
      "quantum batteries",
      "topology",
      "superconducting qubits"
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  "sources": [
    {
      "source_id": "source-2026-09-05-011",
      "title": "arXiv preprint 2609.03543",
      "publisher": "arXiv",
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      "published_at": "2026-09-03T04:42:58.000-04:00",
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    "title": "A Pulse Carried Charge Down the Chain Without Sending It Back",
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