Retarded Casimir-Polder force on an atom near reflecting microstructures

Eberlein, Claudia and Zietal, Robert (2009) Retarded Casimir-Polder force on an atom near reflecting microstructures. Physical Review A, 80 (1). 012504-1-012504-11. ISSN 1050-2947

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We derive the fully retarded energy shift of a neutral atom in two different geometries that are useful for modeling etched microstructures. First, we calculate the energy shift due to a reflecting cylindrical wire, and then we work out the energy shift due to a semi-infinite reflecting half-plane. We analyze the results for the wire in various limits of the wire radius and the distance of the atom from the wire, and obtain simple asymptotic expressions useful for estimates. For the half-plane we find an exact representation of the Casimir-Polder interaction in terms of a single fast converging integral, which is easy to evaluate numerically.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: Claudia Eberlein
Date Deposited: 06 Feb 2012 20:36
Last Modified: 07 Mar 2017 07:06

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