Driven optical lattices as strong-field simulators

  title={Driven optical lattices as strong-field simulators},
  author={Stephan Arlinghaus and Martin Holthaus},
  journal={Physical Review A},
We argue that ultracold atoms in strongly shaken optical lattices can be subjected to conditions similar to those experienced by electrons in laser-irradiated crystalline solids, but without introducing secondary polarization effects. As a consequence, one can induce nonperturbative multiphoton-like resonances due to the mutual penetration of ac-Stark-shifted Bloch bands. These phenomena can be detected with a combination of currently available laboratory techniques. 

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