Volume 18, Issue 4 ((Iranian Journal of Physics Research,winter 2019)                   IJPR 2019, 18(4): 663-669 | Back to browse issues page


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Samiei E, Safari H. Calculation of thermal van der Waals interaction using Casimir-Polder potential . IJPR. 2019; 18 (4) :663-669
URL: http://ijpr.iut.ac.ir/article-1-2422-en.html
Photonics Department, Faculty of New Science and Technology, Graduate University of Advanced Technology, Kerman, Iran , elham.samiei56@gmail.com
Abstract:   (1618 Views)
In this study, thermal Casimir-Polder potential is calculated for an atom in the presence of a dielectric sphere using the formula given in terms of the Green’s function. Then, the limiting cases of large and small sphere are investigated. In the limiting case of a large sphere, the formula of thermal potential for an excited atom in the presence of a dielectric half-space and then a perfectly conducting plate is obtained. The limiting case of  the small sphere together with the proper replacement of its electric response by the polarizability of a second atom results in the thermal van der Waals interaction potential between the two atoms.
 
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Type of Study: Research | Subject: Theoretical

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