Quantum Computing Inches Closer to Reality After Another Google Breakthrough (Category Physics)

Interesting. article This week in the New York Times, which tells about the latest achievements of Google in the field of quantum computing. The bottom line is that Google claims to achieve “quantum supremacy” because their quantum computer on Willow chips solved a synthetic problem in minutes, and classical supercomputers on von Neumann architecture would take a septillion years. (10^24 years). It sounds cool, but since the task is synthetic, you can not expect the benefits from it, but with this achievement, the guys from Google were able to overcome the problem of error correction. The bottom line is that quantum computers are made up of quantum bits or qubits that are isolated from the environment and frozen to ultra-low temperatures. The computation is a sequential measurement of the Schrödinger function for a system of all qubits to eventually arrive at a state where the most likely state when measured is that which gives the correct answer. All this machinery can be very interesting to fail, so it is necessary to build error correction into the process, which in this computer children have overcome a certain threshold, which brings all this design closer to practical application. All in all, it’s a cool event by all indications, which will increase competition between the tech giants, each making their own quantum computers. We live in interesting times.

P.S. I recommend reading Alexei Semikhatov’s book One Hundred Years of Unsaid: Quantum Mechanics for Everyone 25 The essay I'm talking about told Recently.

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