Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

doi:10.1088/1674-1056/23/7/074203

Abstract The interaction between a two-level atom and a single-mode field in the k-photon Jaynes-Cummings model (JCM) in the presence of the Stark shift and a Kerr medium is studied. All terms in the Hamiltonian, such as the single-mode field, its interaction with the atom, the contribution of the Stark shift and the Kerr medium effects are considered to be f-deformed. In particular, the effect of the initial state of the radiation field on the dynamical evolution of some physical properties such as atomic inversion and entropy squeezing are investigated by considering different initial field states (coherent, squeezed and thermal states).

Keywords: Jaynes-Cummings model entropy squeezing atomic inversion intensity-dependent coupling

Received: 25 June 2013
Revised: 28 November 2013
Accepted manuscript online:

PACS:	42.50.-p	(Quantum optics)
	89.70.Cf	(Entropy and other measures of information)
	42.50.Ct	(Quantum description of interaction of light and matter; related experiments)
	42.50.Dv	(Quantum state engineering and measurements)

Corresponding Authors: M K Tavassoly
E-mail: mktavassoly@yazd.ac.ir

About author: 42.50.-p; 89.70.Cf; 42.50.Ct; 42.50.Dv

Cite this article:

H R Baghshahi, M K Tavassoly, A Behjat Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach 2014 Chin. Phys. B 23 074203

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Entropy squeezing and atomic inversion in the k-photon Jaynes-Cummings model in the presence of the Stark shift and a Kerr medium：A full nonlinear approach

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