Electromagnetism: an intrinsic approach to Hadamard's method of descent

Fuente: arXiv
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Main Authors: Angelone, Giuliano, Ercolessi, Elisa, Facchi, Paolo, Maggi, Rocco, Marmo, Giuseppe, Pascazio, Saverio, Pepe, Francesco V.
Format: Preprint
Published: 2025
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author Angelone, Giuliano
Ercolessi, Elisa
Facchi, Paolo
Maggi, Rocco
Marmo, Giuseppe
Pascazio, Saverio
Pepe, Francesco V.
author_facet Angelone, Giuliano
Ercolessi, Elisa
Facchi, Paolo
Maggi, Rocco
Marmo, Giuseppe
Pascazio, Saverio
Pepe, Francesco V.
contents We present a systematic geometric framework for the dimensional reduction of classical electromagnetism based on the concept of descent along vector fields of invariance. By exploring the interplay between the Lie derivative and the Hodge star operator, we implement descent conditions on differential forms that reduce Maxwell's equations in four-dimensional spacetime to electromagnetic theories in lower dimensions. We also consider multiple descent along pairwise commuting vector fields of invariance, yielding a finer decomposition of Maxwell's equations. Our results provide a unified and geometrically transparent interpretation of dimensional reduction, with potential applications to field theories in lower-dimensional spacetimes.
format Preprint
id arxiv_https___arxiv_org_abs_2506_05255
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Electromagnetism: an intrinsic approach to Hadamard's method of descent
Angelone, Giuliano
Ercolessi, Elisa
Facchi, Paolo
Maggi, Rocco
Marmo, Giuseppe
Pascazio, Saverio
Pepe, Francesco V.
Mathematical Physics
Classical Physics
We present a systematic geometric framework for the dimensional reduction of classical electromagnetism based on the concept of descent along vector fields of invariance. By exploring the interplay between the Lie derivative and the Hodge star operator, we implement descent conditions on differential forms that reduce Maxwell's equations in four-dimensional spacetime to electromagnetic theories in lower dimensions. We also consider multiple descent along pairwise commuting vector fields of invariance, yielding a finer decomposition of Maxwell's equations. Our results provide a unified and geometrically transparent interpretation of dimensional reduction, with potential applications to field theories in lower-dimensional spacetimes.
title Electromagnetism: an intrinsic approach to Hadamard's method of descent
topic Mathematical Physics
Classical Physics
url https://arxiv.org/abs/2506.05255