Google's New Sycamore Chip



A group of quantum specialists, engineers, and physicists at Google research are working to best classical computers. The team has found that by reducing noise to a specific level allows Google's new Sycamore quantum chip to beat classical computers using random circuit sampling (RCS). The team published their work in the journal Nature. They modified the conditions which their processor wasrunning. They reduced the amount of noise interference to a level that surpassed classical computers running RCS. 

Computer scientists have been trying to build a super computer for several decades. They haven't found one yet to run the algorithms that would take conventional computers hundred, thousands, or even millions of years to complete. They are just beginning to introduce this new technology. 

One of the biggest issues that computer scientists face is errors that are created by environmental noise. This has led to a lot of research into error correction procedures. Research has led to the the discovery that background noise in the environment can cause errors. This noise is either natural or environmental, it can come from magnetic fields, space radiation or changes in temperature. 

Google researchers placed the new chip in an absolute zero chamber as the chip was running. They discovered even a small reduction in noise had tremendous impact. They were able to reduce errors from 99.4% to 99.7%.

This study is proof that scientists are slowly moving closer to the dream of a useful quantum computer!

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