A team of researchers at the Centre de Nanosciences et de Nanotechnologies (C2N, CNRS/Univ. Paris-Saclay) has experimentally achieved the coherent propagation of electrons in circuits over macroscopic distances through a novel nano-engineering strategy.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/macroscopice.jpg)
Source:
https://phys.org/news/2019-05-macroscopic-electron-quantum-coherence-solid-state.html