Researchers at the University of Science and Technology of China in Shanghai used a quantum computer to design a quantum bit (qubit) that could power better quantum systems.
The resulting plasonium qubit is smaller, less noisy, and can retain its state longer than the team's current qubit model.
The researchers used a variational quantum eigensolver algorithm to simulate particle behavior in quantum circuits and smooth out negative properties while developing advantageous features, without needing to build many physical prototypes.
Each plasonium qubit is only 240 micrometers long, or 40% the size of a transmon qubit, which will allow processor miniaturization.
The plasonium qubit's strong anharmonicity also means the additional states the qubits can reach are varied and less likely to be found accidentally, reducing the potential for computational errors.
From New Scientist
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Abstracts Copyright © 2021 SmithBucklin, Washington, DC, USA
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