Quantum AI can has error correction


By spreading one logical qubit of information across multiple redundant physical qubits, they enabled it to survive longer than the fragile quantum state of any of the physical qubits, according to a report today in Nature.

“This result is what convinces me that we can actually build a big quantum computer that will work,” says Kevin Satzinger, a physicist with Google Quantum AI. 

Scott Aaronson, a theoretical computer scientist at the University of Texas at Austin, says the work “very clearly represents an exciting milestone for the field.” 

But he notes that researchers using other types of qubits are also closing in on practical error correction.



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