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Finite electrodynamics from T-duality
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DOI：10.1016/j.physletb.2022.137100.png)
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Abstract
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In this paper, we present the repercussions of Padmanabhan's propagator in electrodynamics. This corresponds to implement T-duality effects in a U(1) gauge theory. By formulating a nonlocal action consistent with the above hypothesis, we derive the profile of static potentials between electric charges via a path integral approach. Interestingly, the Coulomb potential results regularized by a length scale proportional to the parameter (alpha' )(1/2). Accordingly, fields are vanishing at the origin. We also discuss an array of experimental testbeds to expose the above results. It is interesting to observe that T-duality generates an effect of dimensional fractalization, that resembles similar phenomena in fractional electromagnetism. Finally, our results have also been derived with a gauge-invariant method, as a necessary check of consistency for any non-Maxwellian theory. (C) 2022 The Author(s). Published by Elsevier B.V.
Keywords:
ZERO-POINT LENGTH
BLACK-HOLES
QUANTUM-GRAVITY
SPACETIME
Journal
IF:
4.5
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3.2W
Citations:
7.3W