Author(s): K. P. Heeg, C. Ott, D. Schumacher, H.-C. Wille, R. Röhlsberger, T. Pfeifer, and J. Evers
The phase of an x ray can be detected when it interacts with nuclei, an effect that could be used to characterize the quantum state of a nuclear two-level system.
[Phys. Rev. Lett. 114, 207401] Published Mon May 18, 2015