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Paper detail

On the Gaussian functions of two discrete variables

A remarkable discrete counterpart of the Gaussian function of one continuous variable can be defined by using a Jacobi theta function, that is, as the sum of a convergent series. We extend this approach to Gaussian functions of two variables, and investigate the Fourier transform and Wigner function of the functions of discrete variable defined in this way.

preprint2020arXivOpen access
Nicolae Cotfas
math-phmath.MPmath.CAquant-ph
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Nicolae Cotfas

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