Resonant Casimir--Polder forces in planar meta-materials
Agnes Sambale, Stefan Yoshi Buhmann, Ho Trung Dung, Dirk-Gunnar, Welsch
TL;DR
This paper investigates the resonant Casimir--Polder forces experienced by an excited atom near planar meta-materials, providing analytical insights and numerical comparisons with left-handed superlenses within macroscopic quantum electrodynamics.
Contribution
It offers the first detailed analytical and numerical analysis of resonant Casimir--Polder forces in various magneto-electric meta-materials, including comparisons with superlens configurations.
Findings
Analytical expressions derived for nonretarded and retarded regimes
Numerical examples illustrate the behavior of forces near meta-materials
Comparison shows differences between meta-materials and superlens potentials
Abstract
We study the resonant Casimir--Polder potential of an excited atom near a half space containing magneto-electric meta-material of various kinds on the basis of macroscopic quantum electrodynamics. Analytical results are obtained in the nonretarded and retarded distance regimes and numerical examples are given. We compare our findings with the potential of an excited atom near a left-handed superlens.
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