Emergence of quasiperiodic behavior in transport and hybridization properties of clean lattice systems

Quasiperiodic behaviour is known to occur in systems with enforced quasiperiodicity or randomness, in either the lattice structure or the potential, as well as in periodically driven systems. Here, we present instead a setting where quasiperiodic behaviour emerges in clean, non-driven lattice system...

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Bibliographic Details
Published in:arXiv.org 2023-01
Main Authors: Glittum, Cecilie, Štrkalj, Antonio, Castelnovo, Claudio
Format: Article
Language:English
Subjects:
Ising model
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Summary:Quasiperiodic behaviour is known to occur in systems with enforced quasiperiodicity or randomness, in either the lattice structure or the potential, as well as in periodically driven systems. Here, we present instead a setting where quasiperiodic behaviour emerges in clean, non-driven lattice systems. We illustrate this through two examples of experimental relevance, namely an infinite tight-binding chain with a gated segment, and a hopping particle coupled to static Ising degrees of freedom. We show how the quasiperiodic behaviour manifests in the number of states that are localised by the geometry of the system, with corresponding effects on transport and hybridisation properties.
ISSN:2331-8422
DOI:10.48550/arxiv.2210.02480