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New Dynamical Degrees of Freedom from Invertible Transformations (2208.05951v3)
Published 11 Aug 2022 in gr-qc and hep-th
Abstract: We show that invertible transformations of dynamical variables can change the number of dynamical degrees of freedom. Moreover, even in cases when the number of dynamical degrees of freedom remains unchanged, the resulting dynamics can be essentially different from the one of the system prior to transformation. After giving concrete examples in point particle cases, we discuss changes in dynamics due to invertible disformal transformations of the metric in gravitational theories
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