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physics.class-ph2019
Eisenhart lift and Randers-Finsler formulation for scalar field theory
Sumanto Chanda, Partha Guha
We study scalar field theory as a generalization of point particle mechanics using the Polyakov action, and demonstrate how to extend Lorentzian and Riemannian Eisenhart lifts to t…
gr-qc2019
Jacobi-Maupertuis Randers-Finsler metric for curved spaces and the gravitational magnetoelectric effect
Sumanto Chanda, G. W. Gibbons, Partha Guha +2
In this paper we return to the subject of Jacobi metrics for timelike and null geodsics in stationary spactimes, correcting some previous misconceptions. We show that not only null…