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arXiv:2402.14537 [math.CA]AbstractReferencesReviewsResources

McMahon-type asymptotic expansions of the zeros of the Coulomb wave functions

Amparo Gil, Javier Segura, Nico M. Temme

Published 2024-02-22, updated 2024-08-11Version 2

We derive asymptotic expansions of the large zeros of the Coulomb wave functions and for those of their derivatives. The new expansions have the same form as the McMahon expansions of the zeros of the Bessel functions and reduce to them when a parameter is equal to zero. Numerical tests are provided to demonstrate the accuracy of the expansions.

Comments: 9 pages, 1 figure, 4 tables
Journal: SIGMA 20 (2024), 075, 9 pages
Categories: math.CA
Subjects: 33C47, 33C10, 33C15, 41A60, 65D20, 65H05
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