dorsal/arxiv
View SchemaEmergent Nonperturbative Universal Floquet Localization
| Authors | Soumadip Pakrashi, Atanu Rajak, Sambuddha Sanyal |
|---|---|
| Categories | |
| ArXiv ID | 2601.09793vv1 |
| URL | https://arxiv.org/abs/2601.09793 |
| License | http://creativecommons.org/licenses/by/4.0/ |
Abstract
We show that a robust, nonperturbative localization plateau emerges in periodically driven quasiperiodic lattices, independent of the static localization properties and drive protocol. Using exact Floquet dynamics, Floquet perturbation theory, and optimal-order van Vleck analysis, we identify a fine-tuned amplitude-to-frequency ratio where all Floquet states become localized despite dense resonances. The van Vleck expansion achieves superasymptotic accuracy up to an optimal orde; it ultimately breaks down due to resonant hybridization at a weak quasiperiodic potential, revealing that the observed localization is nonperturbative.
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"abstract": "We show that a robust, nonperturbative localization plateau emerges in periodically driven quasiperiodic lattices, independent of the static localization properties and drive protocol. Using exact Floquet dynamics, Floquet perturbation theory, and optimal-order van Vleck analysis, we identify a fine-tuned amplitude-to-frequency ratio where all Floquet states become localized despite dense resonances. The van Vleck expansion achieves superasymptotic accuracy up to an optimal orde; it ultimately breaks down due to resonant hybridization at a weak quasiperiodic potential, revealing that the observed localization is nonperturbative.",
"arxiv_id": "2601.09793",
"authors": [
"Soumadip Pakrashi",
"Atanu Rajak",
"Sambuddha Sanyal"
],
"categories": [
"cond-mat.dis-nn",
"cond-mat.other",
"cond-mat.stat-mech",
"quant-ph"
],
"license": "http://creativecommons.org/licenses/by/4.0/",
"title": "Emergent Nonperturbative Universal Floquet Localization",
"url": "https://arxiv.org/abs/2601.09793",
"version": "v1"
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