Communications of the ACM
A Quantum Computer Just Solved a Decades-Old Problem Three Million Times Faster Than a Classical Computer
Using a method called quantum annealing, researchers demonstrated that a quantum computational advantage could be achieved over classical means.
Credit: Kim Stallknecht/The New York Times/eyevine
Researchers from quantum computing company D-Wave Systems and Google simulated some materials as much as 3 million times faster than a classical computer could, through the process of quantum annealing.
D-Wave's Andrew King said, "This work is the clearest evidence yet that quantum effects provide a computational advantage in D-Wave processors," which are based on a quantum computing technique that identifies solutions for optimization problems.
The researchers used D-Wave’s 2,000-qubit system to model a programmable quantum magnetic system and simulate exotic magnetism.
They also were able to use a quantum annealing processor to solve a valuable materials science problem.
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