Observation of multifractality in Anderson localization of ultrasound
Sanli Faez, Anatoliy Strybulevych, John H. Page, Ad Lagendijk, Bart A., van Tiggelen
TL;DR
This paper reports the first experimental observation of strong multifractality in wave functions at the Anderson localization transition in 3D elastic networks, confirming theoretical predictions and revealing dependence on excitation schemes.
Contribution
First experimental observation of multifractality in Anderson localization of ultrasound, confirming symmetry predictions and highlighting excitation scheme effects.
Findings
Confirmed multifractality at Anderson transition
Validated symmetry of multifractal exponents
Showed dependence on excitation schemes
Abstract
We report the first experimental observation of strong multifractality in wave functions at the Anderson localization transition in open three-dimensional elastic networks. Our results confirm the recently predicted symmetry of the multifractal exponents. We have discovered that the result of multifractal analysis of the real data depends on the excitation scheme used in the experiment.
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