Quantum circuits are supposed to gain power as they grow longer, but noise changes the picture. A new study finds that earlier steps in these circuits gradually lose their impact, with only the final ...

For a while researchers thought they’d have to make do with noisy, error-prone systems, at least in the near term. That’s starting to change. In the past 20 years, hundreds of companies, including ...

A new theoretical study involving EPFL shows how the noise in today’s quantum computers limits how much work their circuits can really do, and how this affects training and simulation.