The quantum advantage: a novel demonstration

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Is a quantum machine really more efficient than a conventional machine for performing calculations? Demonstrating this 'advantage' experimentally is particularly complex and a major research challenge around the world.

Scientists from the CNRS, the University of Edinburgh (Scotland) and the QC Ware, Corp., (France and USA) have just proved that a quantum machine can perform a given verification task in seconds when the same exercise would take a time equivalent to the age of the universe for a conventional computer.

For this demonstration, they combined a complex interactive algorithm that solves a certain type of mathematical problem with and a simple experimental photonics system that can be made in all advanced photonics laboratories.

Their work was published on 8 February 2021 in Nature Communications.


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More information: Experimental demonstration of quantum advantage for NP verification with limited information. Federico Centrone, Niraj Kumar, Eleni Diamanti, and Iordanis Kerenidis. Nature Communications, February 8, 2021. DOI: 10.1038/s41467-021-21119-1
Journal information: Nature Communications

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Citation: The quantum advantage: a novel demonstration (2021, February 8) retrieved 7 March 2021 from https://phys.org/news/2021-02-quantum-advantage.html
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