Comment on Demystifying the constancy of the Ermakov-Lewis invariant for a time-dependent oscillator
arXiv:1806.11139 · doi:10.1142/S0217732318750019
Abstract
We show that a simple modification of the Lagrangian proposed by Padmanabhan in the paper [Mod. Phys. Lett. A 33, 1830005 (2018), arXiv:1712.07328] leads to the most general dynamical invariant in [Ray and Reid, Phys. Lett. A 71, 317 (1979)]
3 pages, 7 references, similar to the published version