Path Integral Invariance under Point Transformations

Details Path Integral Invariance under Point Transformations Path Integral Invariance under Point Transformations

1997-03-25

arxiv.org/abs/hep-th/9703173v2

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, revtex, no figures

Scientific paper

We give here a covariant definition of the path integral formalism for the Lagrangian, which leaves a freedom to choose anyone of many possible quantum systems that correspond to the same classical limit without adding new potential terms nor searching for a strange measure, but using as a framework the geometry of the spaces considered. We focus our attention on the set of paths used to join succesive points in the discretization if the time-slicing definition is used to calculate the integral.If this set of paths is not preserved when performing a point transformation, the integral may change. The reasons for this are geometrically explained. Explicit calculation of the Kernel in polar coordinates is made, yielding the same system as in Cartesian coordinates.

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