Abstract
We consider a charged quantum particle moving in a two-dimensional plane in the three-dimensional coordinate space and scattering on an immovable Coulomb center in the same plane. We derive and investigate expansions of the wave function and of all radial wave functions of the particle in integer powers of the wave number and in Bessel functions of a real order. We prove that finite sums of such expansions are asymptotic in the low-energy limit.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 188, No. 1, pp. 49–75, July, 2016.
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Pupyshev, V.V. Two-dimensional Coulomb scattering of a quantum particle: Low-energy asymptotic behavior. Theor Math Phys 188, 1006–1029 (2016). https://doi.org/10.1134/S0040577916070047
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DOI: https://doi.org/10.1134/S0040577916070047