Strong-coupling theory of periodically driven two-level systems.

  title={Strong-coupling theory of periodically driven two-level systems.},
  author={Yan Yan Wu and Xiaoxue Yang},
  journal={Physical review letters},
  volume={98 1},
We present a simple but highly efficient iterating approach for strong-coupling periodically driven two-level systems. The obtained explicit approximating analytical solution reproduces accurately the exact numerical solution in the strong-coupling regime for a wide frequency range including resonance, far-off resonance, harmonic, and subharmonic cases. Our theory is suitable for single- and multi-period periodic driving and for the periodic driving with a few-cycle pulse as well, and it gives… CONTINUE READING

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