Browsing by Author "Yamaguchi, Masahide"

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    New dynamical degrees of freedom from invertible transformations
    (2023-07-19) Jiroušek, Pavel; Shimada, Keigo; Vikman, Alexander; Yamaguchi, Masahide
    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.