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Interplay between hopping dimerization and quasi-periodicity on flux-driven circular current in an incommensurate Su–Schrieffer–Heeger ring

We report for the first time the phenomenon of flux-driven circular current in an isolated Su–Schrieffer–Heeger (SSH) quantum ring in presence of cosine modulation in the form of the Aubry–André–Harper (AAH) model. The quantum ring is described within a tight-binding framework, where the effect of m...

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Detalles Bibliográficos
Autores principales: Roy, Souvik, Ganguly, Sudin, Maiti, Santanu K.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10008590/
https://www.ncbi.nlm.nih.gov/pubmed/36906684
http://dx.doi.org/10.1038/s41598-023-31354-9