China May Have Just Taken the Lead in the Quantum Computing Race

THOMAS CORBETT and PETER W. SINGER

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China may have taken the lead in the race to practical quantum computing with a recent announcement that it has shattered a record for solving a complex problem.

In 2019, Google reported that its 53-qubit Sycamore processor had completed in 3.3 minutes a task that would have taken a traditional supercomputer at least 2.5 days. Last October, China’s 66-qubit Zuchongzhi 2 quantum processor reportedly completed the same task 1 million times faster. That processor was developed by a team of researchers from the Chinese Academy of Sciences Center for Excellence in Quantum Information and Quantum Physics, in conjunction with the Shanghai Institute of Technical Physics and the Shanghai Institute of Microsystem and Information Technology.