We study the emission spectrum and quantum-state fidelity for an atomic system interacting with radiation fields of quantum systems described by power-law potentials. We consider a set of manifold fields that are characterizable by their level-energy differences. They include triangular, infinite, and harmonic potentials as special cases. We present the time evolution of the spectrum and fidelity for this class of potentials with respect to model parameters of the physical system. The results indicate that the spectrum and fidelity during the dynamics are highly sensitive to the value of the photon-transition number and exponent parameter.
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Altowyan, A.S., Aldaghfag, S.A., Berrada, K. et al. Emission Spectrum and Fidelity of an Atomic System Coupled to Fields with Level Energy Differences. J Russ Laser Res 41, 327–333 (2020). https://doi.org/10.1007/s10946-020-09882-w
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DOI: https://doi.org/10.1007/s10946-020-09882-w