Manipulating the Coulomb interaction: a Green's function perspective. (15th March 2018)

• Record Type: Journal Article
• Authors: Barcellona, Pablo; Bennett, Robert; Buhmann, Stefan Yoshi
• Is Part Of: Journal of physics communications. Volume 2:Number 3(2018)
• Publication Date: 2018-03-15
• Subjects: Coulomb -- charges -- macroscopic quantum electrodynamics -- ions -- local field corrections; 41.20.Cv -- 03.50.De -- 42.50.Nn -- 12.20.-m; Physics -- Periodicals; 530.05
• DOI: 10.1088/2399-6528/aaa70a
• Languages: English
• ISSNs: 2399-6528

Abstract

Abstract: We present a unified framework for studying Coulomb interactions in arbitrary environments using macroscopic quantum electrodynamics on the basis of the electromagnetic Green's function. Our theory can be used to derive the Coulomb potential of a single charged particle as well as that between two charges in the presence of media, bodies and interfaces of arbitrary shapes. To demonstrate this, we reproduce the well-known screened Coulomb force, account for local-field effects and consider new cases such as a multi-layer medium, a dielectric cavity, a conducting wire and a plate with a hole.