Quantum systems are notoriously prone to errors and noise. In order to overcome this and build a functional quantum computer, physicists should ideally understand the noise across an entire system. That has been out of reach until now, with Dr. Robin Harper and colleagues developing the first system-wide quantum algorithm to characterize noise.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/70-scientistsde.jpg)
Source:
https://phys.org/news/2020-08-scientists-quantum-algorithm-characterize-noise.html