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Physica Scripta

The dynamics of the Jaynes–Cummings model in nanostructures

Smail B. Bougouffa, S. Al‐Awfi

Published Jul 1, 2009• 2 citations
Publisher

Abstract

The two-level atom Jaynes–Cummings model and its dynamics are investigated in a particular cavity, namely, two infinitely planar parallel perfectly conducting plates separated by a distance L in vacuum. The atom–field coupling and the probability amplitudes are evaluated as a function of the mode frequency and for different cavity parameters.

DOI
10.1088/0031-8949/2009/t135/014011

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A theoretical study of the dynamical behaviors of the interaction between a two-level atom with a Morse potential in the framework of the Jaynes–Cummings model (JCM) is discussed. We show that this system is equivalent to an intensity-dependent coupling between the two-level atom and the non-deformed single-mode radiation field in the presence of an additional nonlinear interaction. We study the dynamical properties of the system such as, atomic population inversion, the probability distribution of cavity-field, the Mandel parameter and atomic dipole squeezing. It is shown how the depth of the Morse potential can be affected by non-classical properties of the system. Moreover, the temporal evolution of the Husimi-distribution function is explored.