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  • Open Access

External sources in pseudoquantum electrodynamics

L. H. C. Borges*

A. A. Nogueira†

F. A. Barone‡

  • *Contact author: luizhenrique.borges@ufla.br
  • †Contact author: andsogueira@hotmail.com
  • ‡Contact author: fbarone@unifei.edu.br
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Phys. Rev. D 114, 085007 – Published 8 October, 2026

DOI: https://doi.org/10.1103/ff1q-5cgy

Abstract

In this paper, we investigate the interaction between stationary pointlike external sources within the framework of pseudoquantum electrodynamics (PQED). Besides ordinary electric charges, we consider configurations involving Dirac points and generalized topological sources. For the configurations analyzed, we compute the corresponding interaction energies, forces, torques, and electromagnetic field configurations. Furthermore, we compare the results obtained in PQED with those arising in ordinary planar Maxwell electrodynamics, showing that the nonlocal character of PQED gives rise to physical effects with no counterpart in the conventional local planar theory. In particular, our results show that topological sources induce intrinsically anisotropic and noncentral interactions, leading to the emergence of nontrivial torques between the interacting objects. The directional character of these interactions suggests possible applications in the effective description of topological defects and anisotropic phenomena in planar condensed matter systems.

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Phys. Rev. D 114, 085007– Published 8 October, 2026
  • Received 7 July 2026
  • Accepted 18 September 2026
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