Toward pruning theory of the Stokes geometry for the quantum Hénon map

The Stokes geometry for the propagator of the quantum Hénon map is studied in the light of recent developments of the exact WKB analysis. As the simplest possible situation the Hénon map satisfying the so-called horseshoe condition is closely analyzed, together with listing up local bifurcation patt...

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Bibliographic Details
Published in:Nonlinearity 2016-02, Vol.29 (2), p.375-425
Main Authors: Shudo, Akira, Ikeda, Kensuke S
Format: Article
Language:English
Subjects:
Asymptotic properties
Diffraction
Entropy
Fluid flow
Folding
Henon map
horseshoe
Integrals
Pruning
pruning theory
quantum chaos
quantum tunneling
Stokes phenomenon
Topology
WKB analysis
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Summary:The Stokes geometry for the propagator of the quantum Hénon map is studied in the light of recent developments of the exact WKB analysis. As the simplest possible situation the Hénon map satisfying the so-called horseshoe condition is closely analyzed, together with listing up local bifurcation patterns of the Stokes geometry. This is exactly in the same spirit as pruning theory for the classical horseshoe system, and the present paper is placed as the first step to establish pruning theory of the Stokes geometry for chaotic systems. Our analysis reveals that the birth and death of the WKB solutions caused by the Stokes phenomenon do not occur in a local but entirely global manner, reflecting topological nature encoded in the Stokes geometry. We derive an explicit general formula to enumerate the number of WKB solutions in the asymptotic region and obtain its growth rate, which is shown to be less than the topological entropy of the corresponding classical dynamics. The relations to the diffraction catastrophe integrals and one-step multiply folding maps are also discussed.
ISSN:0951-7715
1361-6544
DOI:10.1088/0951-7715/29/2/375