Quantum Dynamics of a Harmonic Oscillator in a Defomed Bath in the Presence of Lamb Shift |
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| Authors: | M Daeimohamad M Mohammadi |
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| Institution: | 1. Department of Physics, Najafabad Branch, Islamic Azad University, Najafabad, Isfahan, Iran
2. Department of Physics, Shahreza Branch, Islamic Azad University, Shahreza, Isfahan, Iran
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| Abstract: | In this paper, we investigate the dissipative quantum dynamics of a harmonic oscillator in the presence a deformed bath by considering the Lamb shift term. The deformed bath is modelled by a collection of deformed quantum harmonic oscillators as a generalization of Hopfield model. The Langevin equation for both the photon number and the fluctuation spectrum under the Weisskopf–Winger approximation are obtained and discussed. |
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