Are Dynamic Shifts Dynamical Symmetries?

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Submission Summary
Shifts are a well-known feature of the literature on spacetime symmetries. Recently, discussions have focused on so-called dynamic shifts, which by analogy with static and kinematic shifts enact arbitrary linear accelerations of all matter (as well as a change in the gravitational potential). But in mathematical formulations of these shifts, the analogy breaks down: while static and kinematic shift act on the matter field, the dynamic shift acts on spacetime structure instead. I formulate a different, `active' version of the dynamic shift which does act on matter.
Submission ID :
PSA2022303
Submission Type
Junior Research Fellow
,
Merton College, University of Oxford

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