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Scientists Simulate 'Fingerprint' of Noise on Quantum Computer

By University of Chicago News

January 27, 2022

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Researchers at the University of Chicago (UChicago) and Purdue University developed a technique that creates a "fingerprint" of noise on a quantum computer as seen by a simulation running on the machine.

Their technique aims to get a sense of overall noise on a quantum computer, rather than attempt to measure the actual noise in each qubit.

The researchers ran a particular computation of a molecule displaying quantum behavior as a simulation on a quantum computer, adjusting the settings on the problem in different directions and tracking the noise's response.

The researchers believe the findings could help design new methods to correct for noise or determine how noise could be useful.

Said UChicago's David Mazziotti, "Maybe we could actually use the noise intrinsic to a quantum computer to mimic the noise in a quantum problem that is difficult to solve on a conventional computer."

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