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Volume 8, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol 8, No 1, Winter-Spring 2014)
IJOP 2014, 8(1): 31-39 |
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naderi M, salimian rizi S. Generation of Nonclassical States of the Radiation Field in the System of a Single Trapped Atom in a Cavity within the First Order of the Lamb-Dicke Approximation. IJOP 2014; 8 (1) :31-39
URL: http://ijop.ir/article-1-165-en.html
URL: http://ijop.ir/article-1-165-en.html
Abstract: (6191 Views)
In this paper, we propose a theoretical scheme for the generation of non-classical states of the cavity field in a system of a single trapped atom via controlling the Lamb-Dicke parameter. By exploiting the super-operator method, we obtain an analytical expression for the density operator of the system by which we examine the dynamical behaviors of the atomic population inversion, the phase-space Husimi Q-function as well as the von Neumann quantum entropy of the cavity-field. The results reveal that at certain periods of time one of the cavity-field quadratures may be squeezed and the two sub-systems of the trapped atom and the cavity field are entangled. Moreover, we find that the atomic spontaneous emission and the cavity-field damping destroy the nonclassical characteristics of the cavity field.
Type of Study: Research |
Subject:
Special
Received: 2014/05/14 | Revised: 2015/02/24 | Accepted: 2014/07/17 | Published: 2014/10/24
Received: 2014/05/14 | Revised: 2015/02/24 | Accepted: 2014/07/17 | Published: 2014/10/24
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