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Journal Article

Symmetries of Post-Galilean Expansions

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Kleinschmidt,  Axel
Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

1910.13560.pdf
(Preprint), 278KB

1910.13560.pdf
(Preprint), 288KB

PhysRevLett.124.081602.pdf
(Publisher version), 232KB

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Citation

Gomis, J., Kleinschmidt, A., Palmkvist, J., & Salgado-Rebolledo, P. (2020). Symmetries of Post-Galilean Expansions. Physical Review Letters, 124: 081602. doi:10.1103/PhysRevLett.124.081602.


Cite as: http://hdl.handle.net/21.11116/0000-0005-4CFE-9
Abstract
In this note we introduce an infinite-dimensional space on which an infinite-dimensional generalization of the Galilei group acts. Standard Minkowski space can be modelled in this space and its symmetries yield an embedding of the Poincar\'e group in the infinite extension. The extension has an interpretation in terms of post-Newtonian corrections to Galilei symmetries. We also construct particle and string actions that are invariant under these transformations.