Google and startup Quantinuum performed breakthrough experiments in quantum computing. Conflicting views of the results' significance show the challenges of making quantum computers practical.
The world’s biggest computing companies and a raft of well-funded startups all agree: The future of computing is manipulating data with quantum mechanics. Over the past decade, governments, private companies, and venture capitalists have collectively invested billions of dollars into quantum computing, which aims to solve problems using a new type of logic enabled by harnessing quantum properties such as superposition and entanglement rather than ordinary 1’s and 0’s.
This makes non-Abelian anyons desirable components for holding and manipulating information in quantum computers. Kim’s team made non-Abelian anyons using 25 superconducting circuits that make up one of Google’s quantum computers. They showed that after moving the non-Abelian anyons around, they did retain a memory of their past motion. Kim says that leaves no room for dispute, as that “memory” is the device’s signature design feature. “We made a topological qubit,” she says.
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