The tech giant has revealed how quantum computers are capable of beating the best supercomputers.
According to a new study, Google researchers claimed that they have found conditions under which quantum computers can beat their classical counterparts.
They also claimed that quantum machines have a noise threshold that classical machines cannot beat.
Published in the journal Nature, the study used a quantum computer processor named Sycamore to run random circuit sampling (RCS), a simple quantum algorithm that essentially generates a random sequence of values.
The team analyzed Sycamore’s output and found that when it ran in a mode with a lot of noise interference while performing RCS, it could be ‘spoofed’, or beaten, by classical supercomputers. But, when the noise was lowered to a certain threshold, Sycamore’s computation became complex enough that spoofing it was effectively impossible — by some estimates, it would take the fastest classical supercomputer in the world ten trillion years, reported Nature.
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