paper

Canonical Formulation of a New Action for a Non-relativistic Particle Coupled to Gravity

arXiv:1910.01452 · doi:10.1103/PhysRevD.101.126013

Abstract

A detailed canonical treatment of a new action for a nonrelativistic particle coupled to background gravity, recently given by us, is performed both in the Lagrangian and Hamiltonian formulations. The equation of motion is shown to satisfy the geodesic equation in the Newton-Cartan background, thereby clearing certain confusions. The Hamiltonian analysis is done in the gauge independent as well as gauge fixed approaches, following Dirac's analysis of constraints. The physical (canonical) variables are identified and the path to canonical quantisation is outlined by explicitly deriving the Schroedinger equation.

15 pages, latex, reference to the text are increased, no new reference added 15 pages, Latex, presentation slightly revised. This version to appear in Physical Review D

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