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arXiv 2609.22526hep-th

赝量子电动力学中的外部源

External Sources in Pseudo-Quantum Electrodynamics

L. H. C. Borges, A. A. Nogueira, F. A. Barone

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中文总结 AI 辅助

本文研究赝量子电动力学中静止点状外部源(包括普通电荷、狄拉克点和拓扑源)的相互作用,计算能量、力、力矩及场配置,发现拓扑源产生各向异性非中心相互作用和非平凡力矩,可用于平面凝聚态系统拓扑缺陷描述。

中文摘要 AI 辅助

在这封信中,我们研究了赝量子电动力学(PQED)框架内静止点状外部源之间的相互作用。除了普通电荷外,我们还考虑了涉及狄拉克点和广义拓扑源的配置。对于所分析的配置,我们计算了相应的相互作用能、力、力矩和电磁场配置。此外,我们将PQED中获得的结果与普通平面麦克斯韦电动力学中的结果进行比较,表明PQED的非局域特性产生了在传统局域平面理论中没有对应物的物理效应。特别是,我们的结果表明,拓扑源会引发本质上各向异性和非中心性的相互作用,导致相互作用物体之间出现非平凡的力矩。这些相互作用的定向特性表明,它们可能在平面凝聚态系统中拓扑缺陷和各向异性现象的有效描述中得到应用。

英文摘要

In this letter, we investigate the interaction between stationary point-like external sources within the framework of Pseudo-Quantum 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 non-central 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.

发表机构

  • Universidade Federal de Lavras(拉夫拉斯联邦大学)
  • Santa Catarina State University(圣卡塔琳娜州立大学)
  • Universidade Federal de Itajubá(伊塔朱巴联邦大学)

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