paper

The Schwinger action principle for classical systems

arXiv:2107.03982 · doi:10.1088/1751-8121/ac2321

Abstract

We use the Schwinger action principle to obtain the equations of motion in the Koopman-von Neumann operational version of classical mechanics. We restrict our analysis to non-dissipative systems. We show that the Schwinger action principle can be interpreted as a variational principle for velocity-independent forces.

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