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Title: The Simplest Way to Prove That Gauge Transformation between the Coulomb and Lorenz Gauges Must Not Exist
Authors: Chubykalo, Andrew
Espinoza, Augusto
Alvarado Flores, Rolando
Issue Date: Dec-2013
Publisher: Canadian Center of Science and Education
Abstract: In this brief paper we propose to prove a theorem on non-classical symmetries for systems of differential equations whose solutions are related by means of a linear constraint. What we obtain is a representation of the invariance group of the system given by (∩𝒊𝒊=𝟏𝟏𝑵𝑵𝑮𝑮𝒊𝒊)∪𝑮𝑮𝑵𝑵𝑵𝑵𝑵𝑵 where the groups 𝑮𝑮𝒊𝒊 are the classical Lie groups of each differential equation in the system taken separately, and 𝑮𝑮𝑵𝑵𝑵𝑵𝑵𝑵 is the non-classical symmetry group obtained when the set of determining equations is solved for the whole coupled system. Once we have the theorem, we apply it to the system of equations that define the scalar potential in the Coulomb and Lorenz gauges. It is well-known that the solutions of the scalar potential in the Coulomb gauge are related to the solutions of the scalar potential in the Lorenz gauge by a gauge transformation, however, these equations have been not considered in the literature from the point of view of its constrained symmetries. When this is done, it is possible to prove that the scalar potential in the Lorenz gauge cannot accept the Lorentz boost as a symmetry, which is excluded by the linear constraint introduced by the gauge transformation.
ISSN: 1916-9795
Other Identifiers: info:eu-repo/semantics/publishedVersion
Appears in Collections:*Documentos Académicos*-- UA Física

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