Resonant Casimir-Polder Force Properties of Atoms in the Vicinity of a Convex Structure

doi:10.13438/j.cnki.jdzk.2023.06.010

Abstract

Abstract: The influence of the transition frequency and position of a two-level atom in the vicinity the convex structure on the resonant casimir-polder force is studied by using COMSOL Multiphysics software.The results show that compared with the cross-sectional silver nanospheres,the convex structure produces a new surface plasmon resonance mode,which greatly enhances the resonance casimir-polder force on the atom.In addition,when the atom is close to the surface of the convex structure,the new resonance mode plays a leading role in the regulation of the resonant casimir-polder force,and the contribution of the new resonant mode to the resonant casimir-polder force decreases sharply with the increase of the distance.and the contribution of the resonance mode produced by the bulge is faster than that produced by the cross-section silver nanospheres.

Key words: casimir-polder force, spontaneous radiative enhancement, cross-sectional silver sphere, convex structure

GAO Guangbo, SHAN Xinyu, ZHAO Jinyun, HUANG Yonggang. Resonant Casimir-Polder Force Properties of Atoms in the Vicinity of a Convex Structure[J]. Journal of Jishou University(Natural Sciences Edition), 2023, 44(6): 59-66.

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