A new method of probabilistic approximation of solution to the Cauchy problem for the unperturbed Schrödinger equation by expectations of functionals of a random walk is suggested. In contrast to earlier papers of the authors, the existence of exponential moment for each step of the random walk is not assumed.
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Translated from Zapiski Nauchnykh Seminarov POMI, Vol. 454, 2016, pp. 158–175.
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Ibragimov, I.A., Smorodina, N.V. & Faddeev, M.M. On a Limit Theorem Related to Probabilistic Representation of Solution to the Cauchy Problem for the Schrödinger Equation. J Math Sci 229, 702–713 (2018). https://doi.org/10.1007/s10958-018-3709-0
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DOI: https://doi.org/10.1007/s10958-018-3709-0