Google achieves first verifiable quantum advantage with Quantum Echoes algorithm2025-10-24 18:40 by DanielaTags: Quantum Echoes
Google has taken a decisive step towards practical quantum computers. A research team from Google Quantum AI has reported the first "verifiable quantum advantage" - in other words, a measurable computing advantage over conventional supercomputers that can be reproduced by other systems. At the center of it all is a new algorithm called "Quantum Echoes," which ran on Google's new "Willow" quantum processor that was unveiled in December 2024. The system performed a simulation of quantum dynamics in just two hours, a task that would have taken the "Frontier" supercomputer around 3.2 years. That's a 13,000-fold jump, according to a report published in Nature. Google previously announced "quantum supremacy" in 2019, but was criticized at the time because the demonstrated computational task was far too theoretical and difficult to understand. This time it's different. The results of Quantum Echoes are verifiable, meaning that other quantum computers can perform the same exact calculation and arrive at the same result. This is the first measurable proof of the superiority of a quantum architecture in a real scientific task. Read more -here-
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