Universal reflective-hierarchical structure of quasiperiodic eigenfunctions and sharp spectral transition in phase
Mathematical Physics
2018-02-05 v1 math.MP
Abstract
We prove sharp spectral transition in the arithmetics of phase between localization and singular continuous spectrum for Diophantine almost Mathieu operators. We also determine exact exponential asymptotics of eigenfunctions and of corresponding transfer matrices throughout the localization region. This uncovers a universal structure in their behavior governed by the exponential phase resonances. The structure features a new type of hierarchy, where self-similarity holds upon alternating reflections.
Keywords
Cite
@article{arxiv.1802.00781,
title = {Universal reflective-hierarchical structure of quasiperiodic eigenfunctions and sharp spectral transition in phase},
author = {Svetlana Jitomirskaya and Wencai Liu},
journal= {arXiv preprint arXiv:1802.00781},
year = {2018}
}