Borel Summable Solutions to 1D Schrödinger Equation

Details Borel Summable Solutions to 1D Schrödinger Equation Borel Summable Solutions to 1D Schrödinger Equation

1998-01-15

arxiv.org/abs/quant-ph/9801031v4

J.Math.Phys. 42 (2001) 608-640

Physics

Quantum Physics

39 pages, 20 Postscript figures, uses epsfig.sty article.sty, figure caption added and misprints corrected

Scientific paper

10.1063/1.1331099

It is shown that so called fundamental solutions the semiclassical expansions of which have been established earlier to be Borel summable to the solutions themselves appear also to be the unique solutions to the 1D Schr\"odinger equation having this property. Namely, it is shown in this paper that for the polynomial potentials the Borel function defined by the fundamental solutions can be considered as the canonical one. The latter means that any Borel summable solution can be obtained by the Borel transformation of this unique canonical Borel function multiplied by some $\hbar$-dependent and Borel summable constant. This justify the exceptional role the fundamental solutions play in 1D quantum mechanics and completes the relevant semiclassical theory relied on the Borel resummation technique and developed in our other papers.

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