دوره 8، شماره 1 - ( 10-1392 )
جلد 8 شماره 1 صفحات 39-31 |
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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-fa.html
URL: http://ijop.ir/article-1-165-fa.html
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. . 1392; 8 (1) :31-39
چکیده: (6213 مشاهده)
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.
نوع مطالعه: پژوهشي |
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دریافت: 1393/2/24 | ویرایش نهایی: 1393/12/5 | پذیرش: 1393/4/26 | انتشار: 1393/8/2
دریافت: 1393/2/24 | ویرایش نهایی: 1393/12/5 | پذیرش: 1393/4/26 | انتشار: 1393/8/2
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