Decay, interference, and chaos: How simple atoms mimic disorder
  We establish a close quantitative analogy between the excitation and ionization process of highly excited one electron Rydberg states under microwave driving and charge transport across disordered 1D lattices. Our results open a new arena for Anderson localization - a disorder induced effect - in a large class of perfectly deterministic, decaying atomic systems. 
Andreas Krug, Sandro Wimberger and Andreas Buchleitner