Google claims 'quantum advantage' again - but researchers are sceptical
Briefly

Google claims 'quantum advantage' again - but researchers are sceptical
""This algorithm offers the opportunity for real-world applications,""
""The burden of proof should be high,""
""Personally I don't think that's enough to make such a big claim,""
""a bit of a stretch to think how this is going to suddenly solve some economically viable problem""
Google researchers introduce a quantum algorithm called quantum echoes and claim it achieves quantum advantage with potential to solve scientific problems such as deriving molecular structures. The algorithm can, in principle, be implemented on other quantum machines and was applied to simulate simple molecules with confirmation from nuclear magnetic resonance measurements. A preprint details how the method was used for small molecules. Some physicists caution that the burden of proof is high because efficient classical algorithms may still exist, and they question whether the advance will yield economically viable, near-term applications.
Read at Nature
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