A theoretical model and its experimental realization in a cold atomic gas pin down the nature of the criticality for a particular realization of the three-dimensional metal-insulator Anderson transition.
Phys. Rev. Focus25, 24 (2010) – Published June 25, 2010
Researchers beat the quantum-mechanical fluctuations in an atomic clock by linking many atoms into an entangled quantum state and pushing the fluctuations into a realm that doesn’t influence the time measurement.