Science
Quantum computers may be heading underground to shield from cosmic rays – physicsworld.com
Superconducting devices will need protection against ionizing radiation, new research shows
Deep qubits: practical quantum computers based on superconducting technologies may have to be located underground to protect against decoherence by ionizing radiation. (Courtesy: iStock/Devrimb)
Such is their sensitivity to environmental noise, quantum computers might in future be shielded by thick layers of lead and even operated deep underground. So say physicists in the US, who have found that ionizing radiation significantly limits the coherence time of superconducting qubits. Indeed, they …
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