Optics Communications 2018 DOI: 10.1016/j.optcom.2018.05.037 View full text
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Fariba Shafieiyan, Ehsan Amooghorban, Ali Mahdifar

Abstract: In this paper, based on a canonical quantization scheme, we study the effect of the relativistic motion of an excited atom on its decay rate in the presence of absorbing and dispersive media. For this purpose, we introduce an appropriate Lagrangian and describe the center-of-mass dynamical variables by the Dirac field. We obtain the Hamiltonian of the system in a multipolar form and calculate the motion equations of the system in the Schrödinger picture. We find that the decay rate and the quantum electrodyna…

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