1 March 2011 Revisiting the Jaynes-Cummings-Paul model in the limit of ultrastrong coupling
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The interaction of quantum radiation and a two-level atom is described in the context through the Jaynes-Cummings-Paul Hamiltonian which is obtained through Heisenberg's interaction picture of the Atom-Radiation Hamiltonian. We argue that such a transformation is not mathematically exact in case of ultrastrong coupling, where the coupling rate is comparable to the transition frequency, and leads to erroneous results. In addition, we introduce an exact mathematical solution to calculate optical spectrum of this system.
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Elaheh Ahmadi, Elaheh Ahmadi, Hamid Reza Chalabi, Hamid Reza Chalabi, Abbas Arab, Abbas Arab, Sina Khorasani, Sina Khorasani, } "Revisiting the Jaynes-Cummings-Paul model in the limit of ultrastrong coupling", Proc. SPIE 7946, Photonic and Phononic Properties of Engineered Nanostructures, 79461W (1 March 2011); doi: 10.1117/12.872174; https://doi.org/10.1117/12.872174

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