Canonical Formulation for a Non-relativistic Spinning Particle Coupled to Gravity
arXiv:2003.05693 · doi:10.1088/1361-6382/abbb62
Abstract
We systematically derive an action for a nonrelativistic spinning partile in flat background and discuss its canonical formulation in both Lagrangian and Hamiltonian approaches. This action is taken as the starting point for deriving the corresponding action in a curved background. It is achieved by following our recently developed technique of localising the flat space galilean symmetry \cite{BMM1, BMM3, BMM2}. The coupling of the spinning particle to a Newton-Cartan background is obtained naturally. The equation of motion is found to differ from the geodesic equation, in agreement with earlier findings. Results for both the flat space limit and the spinless theory (in curved background) are reproduced. Specifically, the geodesic equation is also obtained in the latter case.
arXiv comment27 pages, latex; Considerably expanded, A new section added, abstract modified; No change in the main results; Published version
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