• Corpus ID: 118680186

Coherent excitation of two-state system by a Lorentzian filed

@article{Vasilev2014CoherentEO,
  title={Coherent excitation of two-state system by a Lorentzian filed},
  author={G. S. Vasilev and Nikolay V. Vitanov},
  journal={arXiv: Quantum Physics},
  year={2014}
}
This work presents an analytic description of the coherent excitation of a two-state quantum system by an external field with a Lorentzian temporal shape and a constant frequency. An exact analytical solution for the differential equation of the model is derived in terms of Confluent Heun functions. Also a very accurate analytic approximation to the transition probability is derived by using the Dykhne-Davis-Pechukas approach. This approximation provides analytic expressions for the frequency… 
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