See Then in 2016, Norman Yao and colleagues at the University of California at Berkeley proposed a way to create non-equilibrium time crystals, which Christopher Monroe and Mikhail Lukin independently confirmed in their labs.
See Then in 2016, Norman Yao (and colleagues at the University of California at Berkeley) proposed a way to create non-equilibrium time crystals. From there, Christopher Monroe and Mikhail Lukin independently confirmed this in their labs.