Journal of Physics A Mathematical and GeneralA simple derivation of the exact wavefunction of a harmonic oscillator with time-dependent mass and frequencyOrion CiftjaPublished Aug 26, 1999• 21 citationsPublisherAbstractWe present a very simple and efficient method to obtain the exact wavefunction corresponding to the harmonic oscillator with time-dependent mass and frequency.DOI10.1088/0305-4470/32/36/303