Google’s quantum Willow chip may be able to grow ‘magic states’
The work could help improve quantum computers’ accuracy in complex calculations
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Quantum computers promise exponential computational power by processing many possibilities simultaneously. But the machines we have today are still far from this ideal. For one, their bits, called qubits, are prone to frequent errors, and as a result, quantum computers are limited for now. To overcome errors, the machines need to tap into so-called magic states—and scientists at Google Research think their quantum chip could help get them there. In a new study published today in Science, the researchers show how to supply magic states more cheaply using a gardening-inspired technique called…
