Revisiting the quantum harmonic oscillator via unilateral Fourier transforms
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Nogueira, Pedro H. F. [UNESP]
Castro, Antonio S. De [UNESP]
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The literature on the exponential Fourier approach to the one-dimensional quantum harmonic oscillator problem is revised and criticized. It is shown that the solution of this problem has been built on faulty premises. The problem is revisited via the Fourier sine and cosine transform method and the stationary states are properly determined by requiring definite parity and square-integrable eigenfunctions.
Fourier sine and cosine transform, Fourier transform, harmonic oscillator
European Journal of Physics, v. 37, n. 1, 2015.