Extending the range of validity for asymptotic energy expansion method by Padé approximation

DOI10.1016/S0034-4877(14)60050-1zbMath1308.81095arXiv1406.5867MaRDI QIDQ2018740

Asiri Nanayakkara, Thilagarajah Mathanaranjan

Publication date: 25 March 2015

Published in: Reports on Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1406.5867

zbMATH Keywords

eigenspectraPadé approximantsemiclassical expansionasymptotic energy expansion

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Padé approximation (41A21) Schrödinger operator, Schrödinger equation (35J10) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20)

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