Browsing División de Nanociencias y Materiales by Subject "Parametric oscillator"
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Comment on demystifying the constancy of the Ermakov-Lewis invariant for a time-dependent oscillator (World Scientific Publishing Company, 2018)"We show that a simple modification of the Lagrangian proposed by Padmanabhan in the paper [Mod. Phys. Lett. A33, 1830005 (2018)] leads to the most general dynamical invariant in [Ray and Reid, Phys. Lett. A71, 317 (1979)]."