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"Exact WKB integration'' of polynomial 1D Schrödinger (or Sturm-Liouville) problem

2002/01/24 by A. Voros
Physics and Astronomy · Mathematics · #math-ph #math.MP

paper · pdf

published as Proceedings ed. by BLJ Braaksma et al., World Scientific (2002) pp.293-308. · latex txt12.tex, 4 files, 3 figures, 18 pages Differential equations and Stokes phenomenon Groningen, The Netherlands May 28-30 2001 [SPhT-T01/146]

arxiv created 2002/01/24 · arxiv updated 2009/11/30

Abstract

We review an "exact semiclassical" resolution method for the general stationary 1D Schrödinger equation with a polynomial potential. This method avoids having to compute any Stokes phenomena directly; instead, it basically relies on an elementary Wronskian identity, and on a fully exact form of Bohr--Sommerfeld quantization conditions which can also be viewed as a Bethe-Ansatz system of equations that will "solve" the general polynomial 1D Schrödinger problem.

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