Eur. Phys. J. C (2020) 80: 238
https://doi.org/10.1140/epjc/s10052-020-7775-3

Regular Article - Theoretical Physics

New point-like sources and a conducting surface in Maxwell–Chern–Simons electrodynamics

¹ UNESP, Campus de Guaratinguetá-DFQ, Avenida Dr. Ariberto Pereira da Cunha 333, Guaratinguetá, SP, CEP 12516-410, Brazil
² Departamento de Física e Ciência, Interdisciplinar, Instituto de Física de São Carlos, Universidade de São Paulo, Av. Trabalhador São-carlense, 400, Centro, Caixa-postal 369, São Carlos, SP, CEP, 13560-970, Brazil
³ Instituto de Física, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 149 Centro de Tecnologia-bloco A-Cidade Universitária, CP 68528, Rio de Janeiro, RJ, CEP 21941-972, Brazil
⁴ IFQ, Universidade Federal de Itajubá, Av. BPS 1303, Pinheirinho, Caixa Postal 50, Itajubá, MG, 37500-903, Brazil
⁵ Niterói, RJ, Brazil

^* e-mail: fbarone@unifei.edu.br

Received: 27 September 2019
Accepted: 23 February 2020
Published online: 12 March 2020

Abstract

We investigate some aspects of the Maxwell–Chern–Simons electrodynamics focusing on physical effects produced by the presence of stationary sources and a perfectly conducting plate (mirror). Specifically, in addition to point charges, we propose two new types of point-like sources called topological source and Dirac point, and we also consider physical effects in various configurations that involve them. We show that the Dirac point is the source of the vortex field configurations. The propagator of the gauge field due to the presence of a conducting plate and the interaction forces between the plate and point-like sources are computed. It is shown that the image method is valid for the point-like charges as well as for Dirac points. For the topological source we show that the image method is not valid and the symmetry of spatial refection on the mirror is broken. In all setups considered, it is shown that the topological source leads to the emergence of torques.