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arXiv · 2609.08697

Mass for Particles from Extra Dimensions

F. E. A. de Souza·M. O. Tahim·R. I. de Oliveira Junior·I. M. Macêdo
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Abstract

We investigate a geometric mechanism for mass generation in a codimension-two hedgehog braneworld. A massless particle propagating in the bulk acquires an effective four-dimensional mass through its motion along the compact angular extra dimension, yielding a dynamically determined Kaluza-Klein spectrum after canonical quantization. While the bosonic sector exhibits no radial confinement, extending the analysis to N = 1, 2 spinning-particle models shows that the spin-curvature coupling modifies the effective potential and introduces a level-dependent localization pattern for the Kaluza-Klein modes. The results establish a particle-mechanics realization of geometric mass generation in flux-supported codimension-two braneworlds and highlight the interplay between bulk geometry, spin, and the effective four-dimensional mass spectrum.

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F. E. A. de Souza, M. O. Tahim, R. I. de Oliveira Junior, I. M. Macêdo. 2026-09-08. Mass for Particles from Extra Dimensions. https://arxiv.org/abs/2609.08697

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