Dynamic statistical properties of squeezed coherent state superpositions

J.S. Sales and N.G. de Almeida

Physica A: Statistical Mechanics and its Applications, 2013, vol. 392, issue 16, 3308-3315

Abstract: We carried out a study of statistical properties of a squeezed coherent state superposition (SCSS) evolving under a thermal reservoir at zero and finite temperature. Our results reveal some peculiarities not noticed by previous studies, which were mainly focused on ideal (lossless) properties of SCSS. Our main results indicate the existence of realistic parameters for which SCSS, at zero absolute, remains sub-Poissonian or squeezed asymptotically, while, at finite temperature, we found that SCSS only loses its squeezing or sub-Poissonian character at large times as compared with the time needed to the SCSS become a complete mixture.

Keywords: Squeezed coherent state superpositions; Statistical properties of squeezed states; Sub-Poissonian statistics (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:392:y:2013:i:16:p:3308-3315

DOI: 10.1016/j.physa.2013.02.017

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